The Most Common Reasons Why a Transmission Slips

Updated on January 27, 2019
eddiecarrara profile image

Eddie spent 35 years in the automotive business with Honda. He is an ASE Certified Master Technician and has bruised knuckles to prove it.

We all know what an automatic transmission is, basically—very basically, at least—so I'm not going to bore you with the details about how it converts power from your engine into power at the wheels. But you should know that the process involves plenty of hydraulic fluid as well as gears and clutches.

If you don't know why your car’s transmission is slipping, I just might have the answer, though you may not want to hear what I have to say.

The cause of a slipping transmission will depend on the type of transmission you have in your vehicle. There are three types of transmissions: automatic, standard (or “manual”), and CVT (continuously variable transmission). I will discuss the two most common types, automatic and standard.

Why Is My Automatic Transmission Slipping?

If you have an automatic transmission and it "slips" while you are driving it—that is, the car engine revs without the power going to the wheels—the most common cause (though not the only possible cause) is low transmission fluid. If the slipping is caused by low fluid, it will get worse as the transmission gets hotter.

Why Is My Manual Transmission Slipping?

A standard (“manual”) transmission uses fluid too, but leaks aren’t a common issue; a standard transmission could lose all its fluid and never slip at all, though eventually, it would lock up while driving down the road. If you have a standard transmission, and it’s slipping—the engine revs but it doesn’t transmit power to the wheels—the problem is usually in the clutch.

Further down in the article, I discuss how to diagnose this problem.

Sounds Like Low Transmission Fluid to Me

What to Do If Your Automatic Transmission Is Low on Fluid

The next question is, why? Probably because you have a leak. Maybe you have noticed red transmission fluid in your driveway or your parking spot at work, but it didn’t occur to you that it came from your car. The cause of your leak is probably a failure of one of the seals that keep the oil inside the transmission (though there are other places the transmission might leak). How many seals the transmission has depends on whether you have a front-wheel-drive, four-wheel-drive, or rear-wheel-drive car.

If you do have a seal that is leaking, and you catch it in time before it damages your transmission, there’s a chance it might be relatively cheap to repair. Seals themselves are not expensive parts, but depending on where they are located, it might take a lot of labor to replace them.

Transmission Axle Seal: A Common Site for Leaks

Click thumbnail to view full-size
An axle seal might cost you about $20. It's the labor that kills you. An axle seal that is not leaking fluid.Axle seal inside the transmission, with the axle removed.A typical axle seal leak.This axle seal is just starting to leak.A great view of the axle going into the transmission. You can see the transmission fluid starting to leak down the transmission case.
An axle seal might cost you about $20. It's the labor that kills you.
An axle seal might cost you about $20. It's the labor that kills you. | Source
An axle seal that is not leaking fluid.
An axle seal that is not leaking fluid.
Axle seal inside the transmission, with the axle removed.
Axle seal inside the transmission, with the axle removed.
A typical axle seal leak.
A typical axle seal leak.
This axle seal is just starting to leak.
This axle seal is just starting to leak.
A great view of the axle going into the transmission. You can see the transmission fluid starting to leak down the transmission case.
A great view of the axle going into the transmission. You can see the transmission fluid starting to leak down the transmission case.

If you have the leak checked out by your mechanic, and he tells you it’s just your axle seal, it could just cost you for a couple hours of labor, and you could be back on the road in a few hours if the parts are readily available. Axle seal failures are common, and the dealer will usually have those seals in stock. But if it's your input shaft seal, plan on leaving your car for a day or two, and expect the labor cost to be upwards of eight to ten hours.

Input Shaft Seal: Another Site for Leaks

Leaking input shaft seal.
Leaking input shaft seal.

This photo shows an input shaft seal leak. To replace this seal, the transmission needs to be removed from the car; this job can get costly.

Be sure to check your owner's manual on how to check your transmission fluid.
Be sure to check your owner's manual on how to check your transmission fluid.
Typically you fill the transmission through the dipstick tube, using a small funnel.
Typically you fill the transmission through the dipstick tube, using a small funnel.

Checking and Topping Off Automatic Transmission Fluid to Prevent Slipping

If your transmission is leaking, you will want to fix it. Meanwhile, if you must drive a car with a leaking transmission, you should top off the fluid.

Check your owner’s manual to see exactly how you should check your transmission fluid level. Some manufacturers will want you to check the transmission fluid level when the engine is warmed up and running with the transmission in park, other manufacturers like Honda will have you check it with the engine warmed up but not running. So be sure to read your owner's manual, DON'T GUESS!

If your transmission fluid level is low and not showing on the dipstick, add transmission fluid--the proper transmission fluid. Each car manufacturer uses a specific fluid. If you use the wrong fluid, you could damage your transmission internally, so again, check your owner's manual. Fill it to the top line on the dipstick and then drive it to your mechanic.

Note: Sometimes when an automatic transmission is low on fluid and you top it off, air pockets develop inside the transmission that keep the fluid from getting to all the parts of the mechanism. After adding the fluid, I suggest that while the car is running, you move the shift lever through the different gears on the shifter selector, and then check the fluid again. Running the shifter through the gears redirects the fluid to different parts of the transmission and removes the air pockets. You may have to do this procedure several times, or even drive the car around the block, and then recheck the fluid level.

Note: I do not recommend using additives that are supposed to stop leaks; they can plug up the transmission. Use the automatic transmission fluid your car manufacturer makes.

How to Check Your Transmission Fluid

Other Fluids That Leak From Cars

If you are concerned about other fluids besides automatic transmission fluid that seem to be coming out of your car, here's some useful advice.

Clutch disc and pressure plate. The clutch looks like it blew apart. If you ride your clutch it may look like this.
Clutch disc and pressure plate. The clutch looks like it blew apart. If you ride your clutch it may look like this.

Common Cause of Manual Transmission Slippage: Worn-Out Clutch

If you think your clutch is starting to slip, you can try a stall test. Put your car in third gear and try starting off like you would normally, as if you were in first gear. If your clutch is working properly, letting the clutch out all the way should stall the car. If, however, the clutch is slipping, the engine RPMs will rise, the car will slowly start rolling, and you will have a smell like burning paper coming from the engine compartment. When a clutch starts slipping you will smell it. It’s like the smell of overheated brakes.

There are many reasons why a clutch would slip, but the most common reason is that the clutch is worn out. A clutch disc can last anywhere from 20,000 to 200,000 miles—it all depends on the way you drive—but like a brake pad, it’s a consumable item, and will be used up eventually, leaving the parts grinding metal-on-metal. If the clutch disc is worn out, you need to replace it, generally also along with the clutch plate and one or two bearings. If you don't replace a worn clutch in time, you might have to replace the flywheel (the big chunk of metal next to it) as well.

Riding your clutch—that is, leaving your foot on the clutch pedal when you aren’t using it—can really eat up a clutch disc fast, especially if you drive in hilly areas. Just being a newbie and learning to use a clutch for the first time can cause a lot of wear and tear. Learning to drive on a standard transmission can end up costing you money if you don't get the hang of it quickly.

Then again, clutches slip for reasons not related to wear and tear or abuse. If your input shaft seal is leaking gear oil onto the clutch disc, this could very well cause a slipping clutch. Another common reason for a slipping clutch is a faulty or damaged pressure plate. The pressure plate is operated by a high-tension spring. If for some reason the pressure is not distributed evenly over the clutch disc, the clutch will start to slip.

Blown Clutch: It's Completely Worn Out

I Appreciate Your Questions!

There are many possible reasons for a slipping transmission and I could not cover all of them above. If you have any questions just leave them in the comment box below.

This article is accurate and true to the best of the author’s knowledge. Content is for informational or entertainment purposes only and does not substitute for personal counsel or professional advice in business, financial, legal, or technical matters.

Questions & Answers

  • What would make an automatic transmission not engage if the fluid is full?

    It's usually a lack of pressure. The problem could be a pump, filter O-ring, blocked passage, etc.

  • My 2000 Tundra's rebuilt automatic transmission has about 70,000 miles on it and began slipping, but has no transmission leaks. Can this be adjusted out, or does the transmission need to be replaced?

    It's best to have a transmission expert or a Toyota tech check it out. Sometimes a sticking valve or solenoid can cause a slip. Also dirty fluid could also cause shifting problems.

  • My 2003 Honda Pilot is slipping and static shifting after I drive it hard for ten minutes. When you first drive it, it doesn't slip or shift hard. Could it be the shifter solenoid or overdrive solenoid?

    The most common condition people overlook is the transmission fluid. The fluid is either too low or very dirty. Dirty fluid can cause all kinds of shifting issues because it clogs up small passageways going to the shift solenoids. If the fluid level is low, there's not enough fluid to fill all these passages, and the transmission lacks pressure internally. This will lead to poor shift quality or no shift at all. So I recommend checking those two conditions first.

  • I have a 1994 Chevy 1500, and it slips when it is hot. What could the problem be?

    What is the condition of the fluid and the color? If the filter hasn't been changed in a while it's possible debris is collecting in the screen and causing a flow problem. I recommend starting by checking these items.

  • I have a 1994 Honda Accord Automatic. It starts and drives about two blocks. Then, as soon as I stop and start to accelerate again, there is no movement. If I turn the car off for about 5-10 minutes start it back up it drives again for about a block or two, then it stops. I've checked TCU transmission fluid and code lights. Any idea what it could be?

    It sounds like your transmission has a clog. I recommend using light compressed air through each check port on the transmission and see if you can move the debris around.

© 2011 Eddie Carrara

Please Add Your Questions and Comments Here

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    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 days ago from New Hampshire

      Hi Ebony,

      Do you have an automatic transmission or standard?

    • profile image

      Ebony 

      4 days ago

      I have a 2008 Pontiac torrent in when I shift gears it’s not moving

    • profile image

      sean mcteague 

      2 weeks ago

      93 lx accord wont go in higher gear in d3, starts in higher gear in d4, will drive in neutral. sometimes gets stuck in park.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      3 weeks ago from New Hampshire

      Hi Sandy,

      It sounds to me like you may be very low on automatic transmission fluid. I recommend you check the fluid level first and if its low add what is needed. Let me know what you find, thanks.

    • profile image

      SandyParker172 

      4 weeks ago

      I have a 93 Toyota Corolla and I’m afraid my transmission is blown.. while driving down the interstate at 70 mph the rpm’s reved up to 6000 rpms.. we pulled over and turned off the car. When I restarted the car and put it in drive it wouldn’t go forward but would roll backwards a bit.. I cut it off again and put it in drive and it would go.. once again the rpms went up high again and the car was making a loud noise as if the engine was straining. It still cranks and will move but at 20 mph it starts staring again.. could it be anything other than a blown transmission? Thanks I’m advance for the help!

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 weeks ago from New Hampshire

      Hi Dawn,

      I know I'm late but it sounds like your radiator failed and you lost transmission fluid at the same time, the transmission cooler is usually located in the radiator. Let me know what you find, thanks.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 weeks ago from New Hampshire

      Hi Ruhaima,

      Does the pedal feel normal? Any abnormal noises or smells? At what speed and gear does it slip?

    • profile image

      Ruhaima 

      4 weeks ago

      Hi I have mk4 v5 manual transmission. Ive had pressure plate and top pot replaced but problem still persists. No sign of leakage anywhere.

    • profile image

      Dawn Copenbarger 

      4 weeks ago

      I have 99 sonoma 4.3 4x4. I was driving down the road about 70mph all of a sudden my truck red lined i immediately pulled over. Since then i can't get the truck to move. There was no noise when it did this. There is no grinding and it starts. Any ideas?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 weeks ago from New Hampshire

      Hi Susan,

      Sounds like your transmission has lost all pressure, I recommend checking for any leaks, the fluid level, and condition first. If everything looks ok you'll have to have the line pressure checked. There are a lot of things that can cause loss of pressure and you may need a transmission experts diagnosis.

    • profile image

      Susan 

      5 weeks ago

      I have a 2005 Ford Explorer truck my son got in it and every gear was out at once is this because transmission is out

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 weeks ago from New Hampshire

      Hi John,

      Do you think its possible it was the engine skipping and not the transmission? Maybe a coil is staring to fail? It would have a similar feeling.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 weeks ago from New Hampshire

      Hi Myron,

      Have you checked the level and condition of the transmission fluid yet?

    • profile image

      Myron W 

      6 weeks ago

      I have a 2004 honda accord automatic. It sometimes slips out of gear on sharp turns, where the Engine revs but the wheels wont move. I have to switch out of gear to drive again. Do you know what could be causing this?

    • profile image

      John 

      7 weeks ago

      I have a 2008 Ford F-350 with a manual trans. It’s got just over 80,000 miles on it. I had never noticed the trans slipping before but the other night while I was driving the truck started hopping like the clutch was engaging and disengaging. I pulled over and could smell burnt clutch. I drove a little further to park it and it jumped and slipped the entire way. I checked the brake fluid and it was completely full and couldn’t notice anything wrong. I had tried to pump the clutch when I stopped early but it didn’t seem to do anything so I was messing around and pumping the clutch and checking things. The transmission still slid into every gear easily. After a while I decided to see if it fixed it self and took it for a quick drive. It didn’t slip at all. The next morning I drove it and still no slipping or burning clutch smell. As I said before it had never slipped before. It’s got me completely stumped.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 weeks ago from New Hampshire

      Hi Marcy,

      If you could find a use one with low mileage, but it's a 2006 so that will be tough, plus of the age. I recommend you get a rebuilt with a 12 month 12k mile warranty if possible.

    • profile image

      marcy 

      7 weeks ago

      My husbands 2006 ford f150 started slipping on his way home from work. towed it to a transmission repair place and we were told it needs rebuilt at a cost of $2500 +tax, is it better to rebuild or replace with a used one

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Sorry Rachealt,

      If the transmission experts don't have an answer it may be time to replace the transmission completely. Will they help you out on price seeing how they can't fix your issue? They did take your transmission out already and it's not fixed, maybe they can offer you a discount on labor installing a reman trans?

    • profile image

      Kevin 

      2 months ago

      My 2005 chevy silverado (auto trans) acts like its in second or third gear when taking off. Like it has barely any power. Doesnt jerk. But doesnt aeem like it shifts either. When i shift the gears manually, it jerks when i shift it. The fluid is good. It doesnt do this offten. Mostly only when i put the vehucle in gear right after dtarting it without giving it a few minutes to warm up. Do tou know what could be causing this??

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Russ,

      It does sound like the torque converter hunting or going inland out of lockup, especially when going up a slight grade under light acceleration.

    • profile image

      Russ 

      2 months ago

      I just bought a 2005 Ford F150 two months ago and just last week it started doing something wierd, that doesn't sound like everyones description of a "slip". At any speed, highway or city driving, if I get off the accelerator for a moment, then slightly feather the gas pedal, SOMETIMES it will start jerking the whole truck, and feels like I've lost powet to the wheels. It seems like it is more common while going up a small grade. It will continue until I get off the accelerator, feathering the brake doest seem to effect it, so it's probably not the torque converter.I have checked the fluid, per my owners manual, and it was originally barely registering othe dip stick, so I added 1 1/2 quarts oMerconf

    • profile image

      rachealt 

      2 months ago

      Hello, I have a 2005 E-350 1 ton passenger van. It has 160K miles. I had the transmission rebuilt 3K miles ago, as it had failed. It suddenly started shifting erratically last week (will shift down when you take your foot off the gas, shift up when you try to accelerate up the hill, shudder when you took your foot off the brake on takeoff, etc). I took it to the shop: they replaced a solenoid, the torque converter, and the valve body. It seemed to fix the erratic shifting, but the shudder was still there. I drove it for the weekend and the erratic shifting is back but worse (shifts into neutral now as well, when going highway speed, then shifts back into drive) and clunking along with shuddering when you take off from a stop. All symptoms are worse after it's warm, and erratic shifting is worse on the highway. If I take off in 2nd gear, it doesn't shudder/clunk, and neither does reverse. The shop does transmissions regularly and has done many of my same type of transmission. They are perplexed as to what it may be.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Matt,

      Hey Matt, I searched this on YouTube and I found this, I'm not to familiar with this issue or the repair, let me know if it helps. https://youtu.be/o78OgvtIEBA

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      You're welcome Bilal,

      There is no filter and or seals, just drain and refill. The transmission will drain about 2.7 qts and you can find the fluid on Amazon, I checked to make sure it's the right fluid https://amzn.to/2QAESTm

      You may want to buy 6 quarts and do two drain and fills. The process is to drain and fill the trans, drive it for about 10 miles or more and then drain and fill it again.

      This may help the shift quality by flushing out any debris, it may not help, but I think it's worth a try for the low cost of the repair. Let me know if this helps, thanks.

    • profile image

      Bilal 

      2 months ago

      Dear Eddie, Thank you for the kind reply.

      Pls guide which Oil is to be used for My Honda Accord 1989 Auto gear? as it is a very old model most Honda Dealerships don't know its mechanics here in Pakistan.

      They usually suggest ZIC SK Dexron III. Temp in my country usually stays in hot around 30-35C.

      And also is there anything specific to be done/taken care of on this model whilst flushing/changing the auto transmission oil (like any filter/seal to be replaced)? My car mileage is over 200K Kms.

    • profile image

      Matt 

      2 months ago

      I have a 2005 Dodge Caravan when I put it in Drive it drives for a minute until it starts to go into second gear and then slips out of gear but I can turn it off crank it back up and we'll go back into drive but I was slip out again when it goes into second it also doesn't have reverse I change the solenoid and both in and out speed control what could be wrong

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Danny,

      I recommend having the code checked and diagnosed, it sounds like maybe a sensor is not reading properly and sending the computer false readings.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Chris,

      No, not even close. That is the most common reason for a transmission slip. Transmission slip is caused by low pressure which can be cause by dirty fluid, blocked ports, inop shift valves, valve body problems, damaged or worn o-rings, torque convert issues, low fluid, the list can go on depending on the type of transmission and the make.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Bilal,

      You could try changing the transmission fluid with genuine Honda fluid and see if your shit quality improves.

    • profile image

      bilal 

      2 months ago

      HI there, I have an 89 jap model Accord EX auto.

      It shifts abnormally when engine warms up (like after 10-15mints of driving in morning).

      It does not up shift up easily when from 2nd to 3rd and up to 5th, instead goes to higher rpms like 3500 - 4k and then shifts.

      In traffic it shifts down to 1st gear on high rpms when it should take 2nd gear as it is already in good movement.

      Pls guide.

    • profile image

      Chris settree 

      2 months ago

      So your only reason for an auto slipping is low fluid! That's a great answer isn't it.

    • profile image

      Danny 

      2 months ago

      Exhqust sounds good and i do not think the cat is clugged. No hissing sounds at all. It runs good in first gear all the way to high rpm. Did get the check engine light a week ago for the speed not matching the output shaft or something like that but it went away after a day or so.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Danny,

      Is the check engine light on? Do you think the catalytic converter is clogged, do you hear any hissing from the engine or exhaust when trying to accelerating?

    • profile image

      Danny 

      2 months ago

      1998 buick century. Auto tans 4 speed. 4t60e

      No power in 2nd, 3rd and 4th. Eng rev and little shudder if trying to speed up slowly. Any ideas on the cause?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Roger,

      How's the fluid level? If the level is low it won't go into gear until it warmed up and expanded a little so check your fluid level and condition first.

    • profile image

      Roger gerhard 

      2 months ago

      1991 Cadillac deville transmission needs to be warm before it will go in forward or reverse

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Hie,

      First, try having the transmission fluid changed with genuine Honda Transmission fluid.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      2 months ago from New Hampshire

      Hi Fluffy,

      It sounds to me like you have internal damage inside the transmission like bent shift forks or worn synchro's. It's not an easy fix, it would be cheaper to replace it with a salvage yard transmission.

    • profile image

      Fluffy loco 69 

      2 months ago

      I have a 93 cherokee sport manual 5 speed. When i bought it it wouldnt go into reverse. Soon it started slipping oit of gear so i would have to shift it into neutral on the transfer case till it caught 4 low. Once it did i would slam it into reverse. Compress the clutch and put it back into 2 or 4 high. Then it would run untill i was coasting or stopping and it would do it again. I just want to know how to fix this problem. It must be something simple or it wouldnt drive good when its in gear. Clutch is still nice and tight and the transmission seems to get good compression. It also slipps out if i speed up too fast and at a high rpm makes a knocking sound. Is anybody savy enough to help me?

    • profile image

      Sipho 

      3 months ago

      Hie

      I have a honda crv it is very slow on upward shift automatic transmission

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      3 months ago from New Hampshire

      Hi James,

      If the transmission has never been rebuilt it's probably just getting tired. The most common reason for that transmission slipping in only one gear is the clutch pack O-rings are most likely failing.

    • profile image

      James 

      4 months ago

      I have a 89 Honda Prelude that's an automatic and the second gear slips but I can manually put it in Gears do you know what might be wrong

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi SAlan,

      I wish I had an answer for you. I recommend bringing it to a transmission specialist and ask how much it would cost to diagnose the issue. It sounds like you have a worn synchro.

    • profile image

      SAlan 

      4 months ago

      I have a 2000 Ford Ranger with the 4R55E auto trans that works it way up to overdrive (4th gear) completely normal then when starting up a grade when the trans would downshift it pops out of gear like neutral until speed is reduced enough that it catches into 3rd gear. I recently changed out the valve body and all the solenoids as a kit (from Ford Service Bulletin pertaining to updating of solenoids and valve body) with no change. Band adjustments have also been checked and adjusted as well. Please help??

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Louisa,

      Did you have the clutch disc, pressure plate and bearing replaced or did you just replace the disc? You are lacking pressure on the disc causing your clutch to slip. If you didn't replace the pressure plate, most likely that is the culprit.

    • profile image

      Louisa Young 

      4 months ago

      Ok had a new clutch plate . Oil in. But still slipping in 2nd and 3rd having to wait for it to build up power. Is there anything else that could be wrong its Chevy 1.2

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Clint,

      I'm sorry, I don't have a good answer for you on this problem. Maybe it has something to do with the pickup screen not seated properly and vibrates a lot when on this type of surface causing an uneven pressure inside the transmission?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Kathryn,

      An O2 sensor code would not cause this problem. I think this is a standard transmission, and I have never seen one come out of gear without the shifter moving out of gear, either its in gear or in neutral but not in neutral while in gear.

    • profile image

      Clint 

      4 months ago

      Hi, my 2010 F150 is having an issue where it has a hard time shifting from 1st to second gear, but only off road on washboard-style dirt roads. mechanic checked and everything is ok, has happened multiple times since then. Any ideas?

    • profile image

      Kathryn R 

      4 months ago

      I just bought a used '02 Honda CR-V 5-speed with 161k miles. Today for the first time, I was accelerating uphill at about 60mph and all of a sudden the gas pedal went to the floor and it seemed to lose power. The lights didn't dim or lose power or anything and the engine remained running. I shifted into neutral and then back into 5th gear and was able to accelerate again. Then it happened again on a flat stretch of road a couple of minutes later at about 70mph. I do have a CEL throwing a code for O2 sensor. Could that be the problem? It almost felt like it slipped out of gear or something. I'm no car expert and my husband is out of town so I'm trying to do some research on my own in the mean time. Help!

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      4 months ago from New Hampshire

      Hi Gervais Fred,

      Make sure you triple check the fluid level, you'll need to run the transmission through the gears a few times and check the fluid level, do this several times with the wheels in the air.

    • profile image

      Gervais Fred 

      5 months ago

      I have Mazda 6 with automatic transmission I just changes engine and put another engine after that I tried to drive it was just slipping I tried to rev delayed but moved up to gear 5 reach the stop sign I drove again slipped but move now up to gear 3, since then I drain fluid I put new fluid since then it totally refused to move, now I'm confused I need a help please I will appreciate, thanks.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Ian,

      If the engine is not running smooth, you most likely have a misfire which can be caused by a lot of different components like spark plugs, coil, fuel injectors, vacuum leaks, etc... You'll need to have the code pulled to start the diagnosis.

    • profile image

      Ian 

      5 months ago

      Hi I have a 2.8 crd chrysler voyager, and the engine light has come on (yellow) and its very difficult to pullaway?? I have checked all fluid levels and all ok, any ideas??

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Osec,

      Have someone pull the code, it will point you in the direction of the problem. Let me know what the code is, thanks.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Robert,

      It sounds to me like your transmission is low on pressure, what is causing this could be several things so you may need to have a professional do some testing on the transmission. I recommend checking your fluid level first just to be sure that isn't the problem.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Victoria,

      The slave cylinder is in the clutch system, the master cylinder is in the brake system. What is the problem with your Jeep and what are the symptoms?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi NavidMo,

      Is this an automatic or standard transmission?

    • profile image

      NavidMo 

      5 months ago

      Hi,

      I have a manual transmission Honda Accord 2006. Sometimes (once over a week) the gear does not shift from first to second while I am driving, and clutch seems a little bit loose. The issue goes away, if I push break or clutch several times, then the gear shifts easily. It never happens for other gears or when you want to start the car. I was wondering it is the air left in Hydraulic Clutch fluid or something else. I would appreciate your help and comment.

    • profile image

      victoria 

      5 months ago

      I had a slave cylinder put on my jeep wrangler 2009 unlimited sahara and the shop said it was the master cylinder next. so they put that on and now they are saying both just busted and that it may be something on the transmission?

    • profile image

      Robert 

      5 months ago

      Having transmission Trouble it’s a 2003 Chevy 1500 it shifts really slow in the level but up s hill it does fine

    • profile image

      Dan van 

      5 months ago

      How do you check the transmission fluid on a toyota rav 4 when the car is running or when its off

    • profile image

      josh d 

      5 months ago

      hi i have a 2004 honda oddesy and it will drive good for a few min and when i stop it acts as if it is not in gear and no gear will work just revs and ill cut van off for a few min and it will drive again. i have changed the trans filter with no luck please help

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi TJ,

      It's sounds like you are losing pressure internally, and with no malfunction indicator lamp on it's probably not an electrical issue. You'll need to have a transmission expert look at it to figure out where the pressure is being lost.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Jacob,

      You'll need to have a transmission expert diagnose the problem, it may be external and an easy fix like a solenoid or something.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      5 months ago from New Hampshire

      Hi Lacey,

      I recommend bringing it back to the mechanic who did the work, it may be a simple fix like replacing a solenoid that is failing. I doubt it's covered under any warranty but you said they are reputable.

    • profile image

      Lacey 

      5 months ago

      I have a 2006 Ford Expedition. I had the transmission rebuilt 30,000 miles ago by a reputable mechanic. The other day the transmission seemed to be slipping out of gear ( I'd be pushing on the gas, lose power, but the rpm's kept going up). Found that driving with overdrive off fixes the problem. Any ideas? Thank you!

    • profile image

      Jacob 

      6 months ago

      I have a 2012 Dodge Avenger SE with 118k miles on it. The car accelerates fine up until around 50-55 mph (will usually be in mid-3rd gear by that point). Once it reaches around there, it drops down to the beginning of 2nd gear unless I either keep my foot down a bit harder on the gas or have the car set in 3 instead of just D like normal. I've had the car for maybe a month or so and am not sure if it's low on tranny fluid or if there's some other issue the previous owner didn't tell me about. It also has trouble going uphill when in D as well. If I press down hard on the gas it'll jump from 2nd gear up to around the top of 3rd or into 4th gear and revs a lot.

      I'm a bit illiterate when it comes to cars and would greatly appreciate some input!!

    • profile image

      TJ 

      6 months ago

      My 2005 GMC Yukon Denali was shifting at high RPM's from 2nd gear to Third for the last 7 months, all other gears shifted just fine, now 8 months later the Denali will go into gear and drive for 30 seconds then all of a sudden the transmission stops working completely, the SUV is still on with no motor/idle hesitation and all you can do is put the SUV back in Park shut the Denali off and start it back up and the Denali will drive for another 30 seconds and so on... Can you please tell me what is possibly wrong with the transmission. Also, there is no engine light on, and I plugged the Blue Driver bluetooth scantool in and no Codes appeared... Thank you Eddie.

    • profile image

      Osec 

      6 months ago

      Hi Eddie,

      The check engine light is not on and no other warning light is on.

      The car just done 154,000km

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Cris,

      Are you sure the jerk isn't from the motor instead of the transmission? A skip in the engine can feel just like a problem with the transmission.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Osec :)

      Is the check engine light on or any other warning lights on?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Rock,

      I'm not sure if that transmission will bolt up, you'll need to call a salvage yard, they will have that information. You could check the second gear shift solenoid operation, if it's not working, that is most likely the problem. Is there a second gear shift solenoid on the 97 you could try?

    • profile image

      Rocky 

      6 months ago

      My 1995 nissan altima acts like it is in neutuel when it goes into second gear it is a automatic transmission i have a 1997 transmission will it bolt up or is it just my sylonoid clogged up it only does it in second gear

    • profile image

      Osec 

      6 months ago

      Hi Eddie thank you for the article,

      I have 2006 Nissan Tidda after changing transmission fluid and filter, I change injector, I change fuel filter and my mechanic confirmed that the spark plug and coils are ok but my car still rav especially in the morning until the engine is warm and it goes on and off like that for the whole day. its really draining my pocket, what else can be done to solve this problem.

    • profile image

      Cris Backer 

      6 months ago

      I have a 2001 xj Classic. When I change from R to D or P to D my car slightly jerks 95% of the time. Also when I’m picking up speed it will feel like it’s slightly jerk when picking up speed

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Anthony,

      It sounds like the transmission is on it last leg. It may be time to either upgrade the car or the transmission.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Susan,

      It sounds like you may be having transmission problems. If you live near a Honda Dealer, I recommend either having them replace the transmission fluid or buy some Honda transmission fluid and change it yourself just to see if there is any improvement. Let me know what happens, thanks.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Hi Zoe,

      It sounds like your clutch is slipping, so either your clutch disc is out of life or you have some type of fluid leaking on the clutch disc causing it to slip. Is there any unusual smells after driving it like burnt paper or anything?

    • profile image

      Zoë White 

      6 months ago

      Hey! I drive a manual Ford Focus ‘01. Lately when I’ve been shifting up, it seems my rpms will drop after the shift but when the gas pedal is then depressed again, the rpms jump straight back up and the car doesn’t accelerate until I release gas pedal. I then have to slowly press down on the gas pedal and lightly pump it before fully stepping on the pedal, for the car to register the shift change, so that I can accelerate up to the next gear change. What could be the problem?

    • profile image

      Susan Bachle 

      6 months ago

      Hi just bought a 2004 Honda Accord automatic 170km on it. It was my first day on the road with this car and upon acceleration I feel a jerk going into 1st gear. Going into second gear the rpm dial accelerates as it is supposed to do but then once in second gear the rpm guage accelerates for a split second on its own but not because I am pushing the gas pedal any harder this went on all day. If I take off very very slowly from a stop sign it does not jerk. I also noticed when I had parked today that the RPM went down to half way between 0 and 1. The car was going to stall so I gave it some gas and it continued to run. Also I felt twice today while driving that around 50 to 60 km p/h a sudden shake in the whole vehicle so I let off the gas and it was fine. Any thoughts? Thank you

    • profile image

      Anthony 

      6 months ago

      I have a 1995 3000 gt sl starts up drives but when shifting seems like it revs up and i come to a stop put it in reverse it drives or revs again i drive it in 2 and its alright 90% and the 10% it rolls to a stop stays running just gas it and it revs up i just changed trans fluid and added 3 quarts any idea ?? It smokes a lil smells like gas

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      6 months ago from New Hampshire

      Sorry so late on my reply Cristina. The noise you're describing is usually cause by either a torque converter or transmission pump, both are internal and the transmission needs to be removed to inspect, but you may be able to find an Aamco transmission shop that can do some external testing first.

    • profile image

      Cristina 

      7 months ago

      Hi, I have a GMC Sierra 2500HD with an Allison 1000 6 speed tranny. A few days ago while slowing down to come to a stop my tranny started making whirring noises and I had to put it in neutral to bring it to a stop. I turned off my truck and let it sit for about 10 minutes. I started it back up and it ran fine the rest of the way home, about 2 miles. When I got home I followed my owners manuels way to check the tranny fluid and it was a little low. So I completely changed the fluid and the filter. Now when I try to run it, it operates fine for about 3-4 miles, goes through all the gears fine with no noises, then when slowing down it will begin making the odd noise again, except in neutral and reverse. Reverse still working perfectly every time.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      7 months ago from New Hampshire

      Hi Randallalt,

      Does the truck move in reverse at all ? Any abnormal noises?

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      8 months ago from New Hampshire

      Hi Chad,

      If you're ambitious you could try locating all the test ports on the transmission and blowing a little light compressed air into each, you may have some debris clogging the passageways inside the transmission. If this helps, try changing the transmission fluid to remove the debris, and use Genuine Honda Fluid if possible, it makes a world of difference.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      8 months ago from New Hampshire

      Hi Michael,

      Are you sure it's not a skip in the engine? An aged spark plug or spark plug wire can have the same feeling, it will skip only under a load like going up a hill or heavy acceleration. Let me know, thanks.

    • profile image

      Michael 

      8 months ago

      I have a 99 Toyota 4Runner that feels like it is slipping in 4th gear uphill at 45 miles an hour around 2500 rpm. Only happens uphill.

    • profile image

      Chad 

      8 months ago

      I have a 1998 Honda accord SIR vtech tip tronic trans. It wouldn't go into gear at all changed sequential solenoid and now I can all gears except reverse, and from 2nd gear upwards its grabbing each gear but before it grabs from 2nd to 3rd and 3rd to 4th gear etc,it slips out of gear and just revs up for a bit and won't change up till I pulse the revs at 4000 to 5000rpm. would you have any ideas on a solution or what I could do to solve the problem plz

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      8 months ago from New Hampshire

      Hi J Mora,

      The car sounds nice. It's possible your clutch pack discs are starting to wear and with the added power they are starting to slip.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      8 months ago from New Hampshire

      Hi Elizabeth,

      It sounds like first gear has a problem. When your gear selector is in second gear, the transmission start out in second and not first. You'll need to have it checked by a transmission specialist.

    • profile image

      elizabeth 

      8 months ago

      i have a 98 saturn automatice when in drive my rpms will fly up to 5000 but when in secon gear my car drives normal

    • profile image

      j mora 

      8 months ago

      i have a 350 mounted to a th350 tranny, at normal driving all is well, motor runs at around 195-200 degrees once warmed up, i have a tranny cooler, when i stand on it after its warmed up and it downshifts to 2nd it feels like it is slipping a little, while the tranny is cold its downshifts hard and plants you in the seat. i have replaced all vacuum lines, i have 18 inches of vacuum at idle at the manifold line leading to the trans. there are no other concerns, i have recently upgraded the fuel and ignition systems and am producing more power than it has had in 20+years. there is less then 100k miles on the trans. summer only street rod originally built in '94.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      9 months ago from New Hampshire

      Hi Cathy,

      Sounds like maybe your coolant is low causing the idle to be high, or maybe you have a leaking head gasket. I recommend you check the coolant first and let me know what you find, thanks.

    • profile image

      Cathy Piersol 

      9 months ago

      Have 2006 P.T Transmission stocks R PM running high.causes it overheat.Cant drive far.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      9 months ago from New Hampshire

      Hi Walter,

      I always like to start with the least cost repair attempt before dishing out 1k. Sometimes a new filter and fluid can work wonders. I recommend the filter and fluid change first and let me know how you make out.

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      9 months ago from New Hampshire

      Hi Jess,

      Have you tried taking it to an Aamco or a transmission specialist? They can usually do some test that the average mechanic will not do. The can check the pressures in the transmission and see what's not working properly and possibly find the issue without removing the transmission. Let me know, thanks.

    • profile image

      jess 

      9 months ago

      hi eddie I have 1994 mustang gt 5.0 I do have a small leak on transmission but stick is showing full ..its an automatic transmission when driving it jumps into a lower gear or even no gear ..I have it parked ..can you point me in the right direction on this repair ..because most mechanics want too go with new transmission..and I know this transmission has served me well and worked fine till a couple DAYS AGO..ANY ADVICE WOULD SERVE ME WELL

    • profile image

      Walter 

      9 months ago

      Having BMW e39 touring (A5S 390R Auto)

      AT ransmission issue. Panel got trans.failsafe.prog.After than driving gets horrable.like starting with 4th gear not 1st.someday drives well without error.Some lads says need to change trans fluid,some says needs trans repair around 1k

    • eddiecarrara profile imageAUTHOR

      Eddie Carrara 

      9 months ago from New Hampshire

      Hi James,

      Sounds like either a shift solenoid or you have a blown clutch pack at that gear. It most likely will not be an easy fix, but if you tell the seller to have it fixed and it shifts normal, you'll buy it lol. This is probably the reason they are getting rid of the truck.

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