GreatAutoHelp.com


Free Car Repair Help And Advice

Our mechanics have it all covered.
Over 95 years combined auto mechanic experience.

Car Qeustions

Q A Categories

Browse our list of car repair questions and answers by vehicle make.
Sensor Locations

Sensor Locations

View pictures and read descriptions for many common engine sizes.
Car Forums

Car Forums

Browse our over 8,200 forum posts or join our over 2,300 registered users.
OBD Trouble Codes

Trouble Code

View computer codes lists and descriptions for engine, ABS, Airbags and more.
Automotive Operation

How It Works

Learn how many vehicle systems work. From the basics to the latest High-Tech.
Car Repair Basics

Car Basics

Learn basic car repair, maintenance, diagnosis and inspections.
Car Repair Videos

Videos

Browse our FREE automotive repair and maintenance video library.
Automotive Abbreviations

Terms/Abbreviations

View a list of common automotive terms and abbreviations.
Car Electrical Repair

Electrical

Electrical testing procedures explained with pictures and easy to follow steps.

For some great information and expert advice on anything related to the Ford Mustang,
you can go to AmericanMuscle's tech guides section





GreatAutoHelp.com

Our Chevy, Buick, Ford, Honda, Toyota, Pontiac, Oldsmobile, Cadillac and GMC mechanics offer advice, helpful hints, how to's and answers for all things related to cars or trucks. We are current certified dealership technicians.


Latest Car Repair Forum Posts

In Forum: Chevy Avalanche

If coolant level is good, you have a restricted heater core. Get a flush service done, or do it yourself by removing heater core hoses and run a garden hose through it to blast into it to flush out all the gunk.


In Forum: Chevy Avalanche

the front door lock actuators are directly connected to the respective door modules. right front actuator to the right front door module and the left front actuator to the left front door module. But, the rear doors go through relays for the lock relay and the un-lock relay in the fuse panel in the lower left side of the dash. Those relays are controlled by the body control module.


In Forum: Chevy Cars

ok, so it's not that your speedometer shuts off, your engine shuts off at a stop. Or your engine stalls at stops. a code reader and a scanner are not the same thing. A scanner will let you see the data stream. this way you can see what your computer is reacting to. what your fuel trims are. what your idle control is doing.See if your torque converter is releasing. you said you notice it be


In Forum: Oldsmobile

had similar problem in a 1991 3.1ltr cutlass--after replacing spark plugs/wires, ignition module and all 3 coils, turned out to be the IAC .


In Forum: Chevy Express Van

so is the problem on the trailer lights or on the truck lights with the trailer not connected?


In Forum: Dodge And Chrysler

doesn't the fuse box cover have a fuse legend in the inside? most of the time you look for the circuit that has a problem so it may be harder to find a diagram for the fuse box as a whole


In Forum: Chevy Silverado

Need them to get in the right ballpark with an at home alignment before I switch to my new tires....only transportation at the moment and 3 old tires are losing tread by chunks or strips and the front musta been done before by Ray Charles with Stevie Wonder at his side because all 3 adjustments are obviously way off just by looking at them, and the current wear patterns are not what I want to see




Testimonials

Thank you for the help, Greatautohelp.com was great, for what I would of paid at the Dealer ($110.00) your mechanic helped me for free and it was done in less than 30 min. Awesome web-site, thanks again.

Robert L. - Dallas, TX.

Awesome advice. It's nice to know that even a tech that is having trouble diagnosing a problem has some place he can go to bounce ideas and seek advice from other certified Tech's.

Steve R. - New York, NY.

It is so nice to have a website all about car that even a woman that does not know anything about auto repair can come to and get some free help.

Stacy K. - Miami, FL.


Newest Forums Posts
Chevy Cars  
Buick  
Chevy Trucks   
Dodge/Chrysler   
Ford Cars   
Ford Trucks   
GMC Trucks   
Honda   
Oldsmobile  
Saturn  
Choose Your Make Or Model
CHEVROLET
Cavalier   Cobalt   Equinox   Impala   Malibu   Monte Carlo  
Tahoe   Trailblazer   Venture Van

BUICK
Century   Lesabre   Regal   Rendezvous  

PONTIAC
Bonneville   Grand Am   Grand Prix   Montana / Transport

OLDSMOBILE
Alero   Aurora   Cutlass   Cutlass Supreme   Silhouette   Intrigue

Engine Operation

2.2L   3100 / 3400   3.5L   3800   4200   4.3L Vortec

Warning Lights

ABS   Check Engine   Trac / Traction Off 

Theft / Security   Airbag   Power Steering

Tire Pressure