Your car's engine, whether gas, diesel, or hybrid, requires sufficient oil to operate smoothly. Too much oil is bad for any engine, but the right amount offers protection against cold starts, reduces ...

Q-I have a 1982 Audi 5000S with 113,000 miles and an engine oil leak. Every morning I find a puddle of oil under the car. One mechanic told me the oil is leaking from the air filter housing because of ...

Ignoring an oil leak can lead to more grievous car problems, such as a damaged engine, premature degradation of parts and, most frightening of all, a fire in your engine that could lead to total ...

Cummins’ 5.9L diesel engines have many wonderful traits, from the simplicity of their design to the durability and reliability of their internal components. However, the powerplants also have parts ...

DETROIT --Ford Motor Co. is using a time-tested but unusual repair method to fix an engine oil leak in its flagship GT sports car. It is telling dealership mechanics to install a "Speedi-Sleeve" to ...

Oil leaks are common with older vehicles, but diagnosing and fixing them isn’t always a straightforward process, leading many to question if they are covered under their vehicle’s warranty. We’ll ...

An automobile engine is a complex arrangement of moving metal components that require a critical element in order to function: oil. Without the lubrication provided by engine oil, friction, heat, and ...

Dear Car Talk: I have a 2002 Subaru Forester with about 135,000 miles that I love so much. About four months ago, I had the head gaskets replaced for $3,300. The mechanic said, "Oh, what a great car - ...