Camry Front End Clunking: Motor Mount Replacement

Updated on March 19, 2016
Source

Front Motor Mount Replacement

A considerable amount of pulling force is placed on a Camry's front motor mount when accelerating from a dead stop. In time, the rubber dampener fused within the metal casing of the motor mount may separate resulting in a 'clunking' sound when accelerating in low gear. The 'clunk' sound may be misinterpreted as a suspension problem coming from the right front end; however, this noise will constantly re-occur in the absence any road bumps. Worn upper strut mounts as well as sway bar links can generate a similar noise but occurs only when driving over irregular road surfaces.

The front mount can be tested by observing whether the engine momentarily tilts upward when gas is applied with the brakes on. *Warning - any observer should be standing by the side of the car during this test to eliminate any possibility of getting run over. The upward and downward rocking motion of the engine is usually a clear indication of a worn motor mount requiring replacement. In addition, the side engine torque rod should be inspected for rubber separation and cracks as well (although a worn rod will not result in any clunking noise).

Continued driving with a worn front motor mount places considerable stress on the the other engine mounts, the transmission mount, the rubber airbox flex pipe and the exhaust system's flex pipe which could result in their failure. It is therefore prudent to have the front motor mount replaced as soon as possible.

The replacement of the front motor mount is relatively easy and the cost is modest.

Front Motor Mount Replacement

Pictorial instructions are provided below. Textual instructions are as follows:

  • Elevate the front wheels in order to gain enough working room clearance to remove the splash pan under the radiator. Supporting the front end with jack stands would be in order.
  • Remove the 10mm bolts that supports the splash pan underneath the radiator. *Warning: if these bolts have never been removed, there is a strong likelihood the bolts will shear off. To help avoid this from happening, apply penetrating oil to the bolts and let them soak before attempting removal. If there's an increase in tension after initial tension release, apply penetrating oil again, tighten and then loosen to spread the oil.
  • Position a hydraulic jack under the engine oil pan. To protect the oil pan from damage, place a wood plank between the oil pan and the jack's cup.
  • Via the hydraulic jack, jack up the engine to relieve tension on the motor mount. Observe the motor mount bracket rising.
  • Relieve tension on the top center bolt of the motor mount with a 17mm socket attached to 1/2 socket wrench.
  • From underneath the car, remove the single 14mm bolt that attaches to the front part of the base of the motor mount.
  • From the engine compartment, remove the two remaining 14mm bolts the secures the motor mount to the frame of the car.
  • Remove the top center bolt of the motor mount.
  • Turn the detached motor mount sideways and remove the mount to the right (towards the battery). If the mount cannot be moved, lift the engine (via the hydraulic jack) until enough clearance is obtained.

Pictorial Instructions

Click thumbnail to view full-size
Relieve pressure on the front motor mount.Remove the upper motor mount bolt.Remove the lower motor mount bolt.Remove the remaining lower motor mount bolts.Remove the Camry motor mount.Install the new Camry motor mount.
Relieve pressure on the front motor mount.
Relieve pressure on the front motor mount.
Remove the upper motor mount bolt.
Remove the upper motor mount bolt.
Remove the lower motor mount bolt.
Remove the lower motor mount bolt.
Remove the remaining lower motor mount bolts.
Remove the remaining lower motor mount bolts.
Remove the Camry motor mount.
Remove the Camry motor mount.
Install the new Camry motor mount.
Install the new Camry motor mount.

Installation of New Motor Mount

Reverse the above steps for installing the new motor mount with the following advice:

  • Apply anti-seize on all bolt threads
  • Keep the mount bolts loose to eliminate any alignment issues with the upper bolt and the lower bolts.
  • After all bolts have been aligned and threaded, then tighten the upper and lower motor mount bolts.

Final Note

As previously mentioned, the excess movement of the engine due to a worn front motor mount will stress the Air box Hose, Exhaust Flex Pipe and the Side Motor Mount (also called the Torque Rod or 'Dog Bone').

The Air box hose may develop cracks where the hose bends toward the throttle body. As with all rubber components exposed to heat and cold, the hose will become less flexible and harden. Air leaks in the hose will cause irratic intake air flow and will compromise engine performance (hard starts, irratic idle, poor performance).

The exhaust flex pipe, once it cracks, will result in exhaust noise getting progressively louder. These pipes cannot be repaired by welding; however, the flex pipe section can be cut out and and new pipe welded in place in lieu of replacing the entire section of the exhaust pipe which includes the catalytic converter. A good muffler repair shop should be able to perform the repair at a reasonable price.

The torque rod, which works in conjunction with the front motor mount, may show signs of internal rubber cracks. This is an inexpensive part and is easy to replace.

Questions & Answers

    Comments

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      • profile image

        David S. 

        6 months ago

        You can rock the car with your weight with the hood open, and look at the engine mounts as you move the car. A problematic engine mount will often have excessive movement and a noticeable sound when being rocked.

      • hardlymoving profile imageAUTHOR

        hardlymoving 

        13 months ago from Memphis, TN

        2003 camry V6 3.0L,

        You won't be able to find a front mount, outside of dealer, with the tube connector. Suggest you try the aftermarket mount and see how well it works.

      • profile image

        2003 camry V6 3.0 

        13 months ago

        My 2003 camry V6 3.oL engine has a front mount with tubing coming out that is connected to ta sensor. What kind of motor mount is this and can it be replaced with a motor mount that doesn't have this tubing? I can't find another motor mount with the tubing at any of the national parts stores. Please advise...

      • hardlymoving profile imageAUTHOR

        hardlymoving 

        21 months ago from Memphis, TN

        Tony a.

        Could also be worn control arm bushings.

      • profile image

        Tony a. 

        21 months ago

        I have a 6 cylinder toyota camry 2006

        Vibrates when accelerate at any speed, but goes smooth when not accelerating at any speed. Could this be worn motor mounts?

        Thank you.

      • hardlymoving profile imageAUTHOR

        hardlymoving 

        3 years ago from Memphis, TN

        Joe,

        Your best bet is to retrieve replacement bolts from the junkyard. You may have to also re-thread / cleanup the the stripped threads in the mounting holes assuming you have a tap and die set.

      • profile image

        Joe 

        3 years ago

        I recently purchased a 96 toyota camry with a 4 cyl 2.2 motor and boticed 1 of the front motor mounts bracket was broken and 2 more missing the 4 was barely in and motor had shifted all the way up against the passenger fender well the 1 bolt left had to lock washers on it so im guessing its the wrong size bolt. could anyone Posibly let me know what size bolts should be there or inform me of a way to find out what size they should be. if no luck here my next step would be to go to a junkyard and remove a matcing bolt.

      • profile image

        Yang 

        3 years ago

        Hello Matthew,

        Thanks for your reply . it take me three weekends and finally figure out the problem is loose bolt.

      • hardlymoving profile imageAUTHOR

        hardlymoving 

        3 years ago from Memphis, TN

        Yang,

        A worn engine mount cannot be visually inspected. Possible other source of "clunking" sound could be a worn front strut.

      • profile image

        Yang 

        3 years ago

        Hello, I have a front passenger side clunking, when brake or speed up, sometime when I turn steering wheel. I did replace right side control arm, which doesn't help at all. I spend a few weeks, but still cannot find the source of clunking. Anyway, I will do engine mount next week. But it really doesn't looks like engine mount. Do you have any suggestion other than engine mount, and control arm and tie rod and sway bar?Thanks

      • hardlymoving profile imageAUTHOR

        hardlymoving 

        3 years ago from Memphis, TN

        Matthew,

        Could also be your Front Control Arm Bushings. Very easy to tell with the wheel off. You'll see big cracks in the bushings that allows the control arm to move side to side instead of up and down with the wheel. You can read my How To replace the Control Arm Bushing article.

      • profile image

        Matthew 

        3 years ago

        Great site and very informative! I have a clunking sound that happens when I reverse the car and turn the wheel to the right. The noise comes from the front drivers side and only when turning the wheel. It will occasionally happen when I'm in drive as well but less frequently. Does this sound like the motor mount to you or could it be something else?

      • hardlymoving profile imageAUTHOR

        hardlymoving 

        6 years ago from Memphis, TN

        Thanks ... appreciate it.

      • profile image

        David 

        6 years ago

        It's the best Toyota Camry website in the world!!!

      • cookingrecipes profile image

        Saidevan 

        6 years ago from Kerala

        good hub..nice demonstration. voted up

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