automobile mechanic
auto-mechanic
car-mechanic
mechanic **
grease monkey

She could easily get a guy who made more money and had better prospects than a grease monkey.

I don't want to find any more of those grease monkeys trying to take naps in there.

She has become a grease monkey and drives Keith's truck.

He might as well have sent in his dullest grease monkeys fresh from Earth.

But being a grease monkey doesn't begin to describe Jubal's skills.

But no grease monkey is going to tell you where he bought stolen parts.

No grease monkey is going to tell you where he bought the stolen parts.

I was a heavy equipment operator, not a grease monkey.

And a pretty unambitious grease monkey at that, he had to admit.

One of the cars the grease monkey robbed happened to be Swyteck's.