Glossary of Auto Terms

DriverSide's Car Dictionary has the most comprehensive definitions of automotive terms. This auto glossary can help you decipher what your mechanic is fixing and what the purpose or function of the particular auto part or accessory is for. We have taken the mystery out of automotive service jargon, so that you don't have to.

Back

Gear Grease

A heavy liquid grease that fills the differential and manual transmission in order to lubricate the gears. Stinks something fierce, too.



See Also:
Piston Slap
Timing Light
Timing Belt
Throttle
Belt
Pitman Arm
Knocking
Boots

Diagnose Your Car's Problem

Engine won't start? Weird sound? Strange smoke? Got something going on with your car but not sure what it is? The easy to use DriverSide Diagnostic Tool is here to help you figure it out.



Enter Zip: