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DIY Auto Repair and Diagnosis

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  • One of the most nerve-wracking diagnoses that an engine can receive: BLOWN HEAD GASKET. Dive into this article to learn the 3 most common signs your engines developed a bad head gasket.

    Three Signs and Symptoms of a Blown Head Gasket

    Three Signs and Symptoms of a Blown Head Gasket

    by Wrench Wench1

  • For car and truck owners who have a "check engine" light on caused by OBDII codes P0171 and P0174 (Fuel System Too Lean), here are some tips for diagnosis and troubleshooting.

    OBDII Codes P0171 and P0174: Diagnosis

    OBDII Codes P0171 and P0174: Diagnosis

    by johnnyvest3

  • Recognize bad fuel filter symptoms, improve engine performance and avoid expensive repair bills.

    Bad Fuel Filter Symptoms

    Bad Fuel Filter Symptoms

    by Dan Ferrell10

  • What do you do when your power window gets stuck in the down position and you don't have the money to get it fixed by a mechanic? Here are the steps I took to manually close my car's power window.

    How to Raise a Power Window Manually

    How to Raise a Power Window Manually

    by Burrado2

  • Diagnosing an electrical short can be very difficult and expensive. The actual repair usually consists of an inexpensive wire connector and some tape. The real expense is the time it takes to locate the problem.

    Electrical Shorts in Your Car Blowing Your Fuse?

    Electrical Shorts in Your Car Blowing Your Fuse?

    by meansdavid11

  • Water leaking into a car can lead to mold, corrosion, computer issues, and bad smells. Water can leak into your passenger compartment from outside or inside the car, often from the windshield.

    Water Leaking Into a Car

    Water Leaking Into a Car

    by Eddie Carrara625

  • This article focuses on the often-misunderstood, underestimated RB20DET, as found in various late-eighties/early-nineties Nissans.

    RB20 Turbo Upgrades

    RB20 Turbo Upgrades

    by Dreaded Fist46

  • Replacing the timing chains of a Hyundai Accent CRDi engine seems to be a very tedious job. There are so many bolts to be uncrewed before we can get access to the chains, and so many 'WARNINGS' that we have to be aware of to carry out a successful replacement job. However, following this replacement procedure very closely saves you time and costly reworks.

    How to Replace the Timing Chains on Hyundai Accent or Verna CRDi Diesel Engine

    How to Replace the Timing Chains on Hyundai Accent or Verna CRDi Diesel Engine

    by Victor Mangubat9

  • How to replace a washer fluid pump on a 2006 BMW X3. Often these pumps begin leaking and must be replaced. Step-by-step instructions with pictures.

    How to Fix a BMW X3 Washer Fluid Leak

    How to Fix a BMW X3 Washer Fluid Leak

    by johnnyvest34

  • If your engine won't turn over, this guide helps you find the most common—and not so common—problem sources.

    My Engine Won't Turn Over

    My Engine Won't Turn Over

    by Dan Ferrell10

  • Worried your fan belt is bad? Hearing strange squealing or whining noises from your car? Thinking about a few extra things every car should have in a tune up? Look no further! This article's for you!

    Five Signs It's Time to Replace Your Fan Belt

    Five Signs It's Time to Replace Your Fan Belt

    by Wrench Wench1

  • DIY (Do It Yourself) instructions on performing a Starter Motor replacement on the Toyota 1MZFE engine commonly found on the Camry, Avalon, RAV4, ES300, RX300 & Highlander. Step by step instruction with photos. No special tools required. Approximately less than 1.5 to complete the Starter Motor replacement.

    DIY Toyota MZFE V6 Engine Starter Motor Replacement

    DIY Toyota MZFE V6 Engine Starter Motor Replacement

    by hardlymoving0

  • Recognizing symptoms of a bad EGR valve will help you troubleshoot potential problems sooner and restore engine performance faster.

    Symptoms of a Bad EGR Valve

    Symptoms of a Bad EGR Valve

    by Dan Ferrell188

  • How to use a voltage drop test to troubleshoot common automotive problem circuits to speed up repairs and save money.

    Automotive Voltage Drop Testing

    Automotive Voltage Drop Testing

    by Dan Ferrell0

  • If you think you may have rodents or mice living in your vehicle, here are a few tips on where to find their hiding places and how to evict them permanently!

    Can Rodents or Mice Ruin a Car?

    Can Rodents or Mice Ruin a Car?

    by Eddie Carrara14

  • If the air conditioning goes out in your car, you want to get it fixed quick. There are a number of problems that could cause this issue. Keep cool with these tips and tricks.

    How to Fix a Broken Car Air Conditioner

    How to Fix a Broken Car Air Conditioner

    by WheelScene4

  • Learn how to change a front wheel bearing with a step by step guide with photos and a video. In the video, you will learn what a damaged wheel bearing sounds like and how to determine which wheel bearing is causing the noise. Once you learn this trick of the trade, your mechanic can never sell you a wheel bearing you don't need.

    How to Change a Front Wheel Bearing

    How to Change a Front Wheel Bearing

    by Eddie Carrara48

  • Lets face it. The instructions provided with your update kit are less than understandable. You open your kit and you are left scratching your head, "Where do I even start?" I understand this problem because I help customers, like you, over the phone...

    How To Update An OTC Genisys Automotive Scan Diagnostic Tool

    How To Update An OTC Genisys Automotive Scan Diagnostic Tool

    by jtomasic lm10

  • Install a brake booster replacement following these simple steps, even if you have to remove the brake master cylinder.

    Brake Booster Replacement

    Brake Booster Replacement

    by Dan Ferrell0

  • DIY (Do it yourself) Toyota MZFE V6 Fuel Injector Replacement. Detailed instructions with plenty of step by step photos. Replacement method can be used in the Camry, Avalon, Sienna, ES300 & RX300.

    DIY Toyota V6 MZFE Fuel Injector Replacement

    DIY Toyota V6 MZFE Fuel Injector Replacement

    by hardlymoving4

  • There are many reasons that your heater might be giving you the cold shoulder - literally. This article will cover the three most likely reasons why your heater is blowing cold.

    3 Signs Your Heater Switch Is on the Fritz

    3 Signs Your Heater Switch Is on the Fritz

    by Wrench Wench0

  • A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. If you're questioning what is normal engine noise, I may have the answer.

    Knocking or Ticking Noise From Your Engine

    Knocking or Ticking Noise From Your Engine

    by Eddie Carrara26

  • This is a guide to finding, cleaning or changing the MAF sensor on your Opel / Vauxhall Vivaro, Renault Trafic or Nissan Primastar van. This sensor is often the cause of low power, an inability to rev properly and rough running. Follow this easy to follow guide to find out how to change it yourself.

    How to Clean / Change MAF Sensor on Trafic, Vivaro & Primastar Vans

    How to Clean / Change MAF Sensor on Trafic, Vivaro & Primastar Vans

    by Rain Defence146

  • Do a cleaning EGR valve job at home to improve engine performance and prevent serious engine mechanical problems.

    How to Clean an EGR Valve

    How to Clean an EGR Valve

    by Dan Ferrell1

  • BMW X3/X5 Brake, ABS, and 4x4 warning lights all on at the same time. Information on the probable cause (defective BMW transfer case actuator motor gear) and fixes.

    BMW Transfer Case Actuator Problem And Fix

    BMW Transfer Case Actuator Problem And Fix

    by johnnyvest92

  • The most likely reasons for bad clutch performance, a noisy clutch, or strange behavior by the clutch pedal. Look for your symptoms here.

    Symptoms of a Bad Clutch

    Symptoms of a Bad Clutch

    by Dan Ferrell42

  • Diagnose engine knock with the help of this simple guide before your engine suffers costly damage.

    Why Does My Engine Knock?

    Why Does My Engine Knock?

    by Dan Ferrell1

  • The most common reason for a slipping automatic transmission, and the most common reason for a slipping standard transmission. What to do to fix it in either case.

    Most Common Reasons Why a Transmission Slips

    Most Common Reasons Why a Transmission Slips

    by Eddie Carrara1136

  • Do you know what to do in the event that you get in and turn your car on but it doesn't start? Check out this hub for some helpful tips on what to do.

    What Do I Do When my Car Won't Start?

    What Do I Do When my Car Won't Start?

    by Wrench Wench3

  • I didn't want to pay a fine for a burnt-out headlight and I didn't want to pay someone else to replace it either. Here's how I did it, with some nuances that may help you.

    How To Replace a Headlight on a Jeep Patriot

    How To Replace a Headlight on a Jeep Patriot

    by Whatsittoyou0

  • A do-it-yourself battery replacement is a real money-saver but you also have to be responsible with the proper disposal of your old battery. There are 5 important factors in choosing a car battery: size, brand, reserve capacity (RC) rating, age, and cold-cranking amps (CCA) rating. The car battery is the power underneath the hood of your car. It provides electricity needed for door locks, sliding windows, lights, and other car accessories. Your car is dead, the moment your battery dies. At first

    Choosing a Car Battery - Guide To Finding The Right Size & What You Need

    Choosing a Car Battery - Guide To Finding The Right Size & What You Need

    by Live N Learn45

  • Are you having car-starting trouble other car issues and wondering whether your alternator is still good? Here's how to tell and how to rebuild or replace your alternator if it is in fact the culprit.

    Five Signs It's Time to Replace Your Alternator

    Five Signs It's Time to Replace Your Alternator

    by Wrench Wench7

  • Tips and precautions to use when replacing your brake pads, so you can get quality results on a Honda or any other vehicle.

    How to Replace Honda Brake Pads

    How to Replace Honda Brake Pads

    by Eddie Carrara68

  • The four noises that car owners complain about most often: CV joint noise, water pump noise, belt noise, and heat shield noise. What your noise means and what might fix it. Plus a car buying tip.

    Four Common Car Noises

    Four Common Car Noises

    by Eddie Carrara1976

  • AC system diagnosis can be done by feeling the lines for the correct temperature/ pressure relationship. With gauges hooked up, the pressures can be measured and then diagnosed.

    DIY Auto Service: AC System Diagnosis by Symptom

    DIY Auto Service: AC System Diagnosis by Symptom

    by Mike Thomas67

  • You've fixed the issue which was causing your check engine light to turn on, but now it wont turn off! Try one or more of these approaches to get the light to go off and be sure your engine is ok.

    How to Get Rid of the "Check Engine" Light

    How to Get Rid of the "Check Engine" Light

    by Kate Daily30

  • Testing spark plug wires to solve power loss, hard-to-start, increase in gas consumption and other performance issues.

    How to Test Spark Plug Wires

    How to Test Spark Plug Wires

    by Dan Ferrell2

  • Spark plug problems can be tricky to identify. The symptoms of faulty spark plugs are pretty general and can be attributed to a number of other issues. So read this article for tips and tricks on how to differentiate spark plug problems from other issues.

    Spark Plug Problems

    Spark Plug Problems

    by Benji Mester11

  • Imagine getting a flat tire on your way to work. You stop to change your tire and a lug nut is stripped and won't come off. Access to a couple simple tools will prevent this from becoming a problem.

    How to Remove a Stuck or Stripped Lug Nut

    How to Remove a Stuck or Stripped Lug Nut

    by Matthew Clemmer14

  • Sources of engine rough idle problems and related symptoms for a faster diagnosis and repair.

    Engine Rough Idle Problems

    Engine Rough Idle Problems

    by Dan Ferrell0

  • Ford Fusion owners: Beware if your A/C has stopped working! Ford had a genius idea to install a sensor in the top of the evaporator case. What does this mean to the owners of the Fusion? I should start by saying there are many reasons why your...

    Ford Fusion A/C Compressor Won't Turn On

    Ford Fusion A/C Compressor Won't Turn On

    by RayTheWrench159

  • Do an oil pan gasket replacement at home following the safety precautions, tips, and method outlined in this guide.

    Oil Pan Gasket Replacement

    Oil Pan Gasket Replacement

    by Dan Ferrell0

  • A guide to changing the brake pads on a VW Touran. The information that follows applies to many of the VW, Audi, SEAT, Skoda range of vehicles.

    VW Touran Brake Pad Change

    VW Touran Brake Pad Change

    by Robyco18

  • Whether your car is hard to start when cold, hot, or both, this guide gives you tips and tests to help you fix your car sooner.

    Why Is My Car Hard to Start?

    Why Is My Car Hard to Start?

    by Dan Ferrell2

  • Engine misses can be hard to diagnose, but you can start with the most likely sources to speed up your repair.

    Why Does My Car's Engine Miss?

    Why Does My Car's Engine Miss?

    by Dan Ferrell2

  • The topic of RB20 intake manifolds is a hot one. As the price of used Nissan RB20DET engines continues to tumble, more people are viewing them as a viable option to their current engine. The RB20 itself is a marvel, with a sturdy iron block and...

    RB20 Intake Manifolds

    RB20 Intake Manifolds

    by Dreaded Fist2

  • If your brakes squeak, and you want to know why, maybe I can help! Here are four common brake squeaks plus a bonus scraping noise; compare these situations to yours. Questions are welcome.

    Four Common Types of Brake Squeaks

    Four Common Types of Brake Squeaks

    by Eddie Carrara304

  • Radiator stop leak should only be used in certain circumstances. Check out this radiator stop leak review to see if it might be right for you.

    Radiator Stop Leak Review

    Radiator Stop Leak Review

    by Benji Mester12

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