[lee martell]

I have not heard that common phrase in many years:
Grease Monkey. Some of my best friends have been or are Grease Monkeys. Not me. I don’t have the brains for mechanics.

[rktman]

Gearheads?

[Darteaus94025]

I love to do engines, but I don’t have the patience or the eye for bodywork. Those guys are artists.

[Tejas Rob]

One of the smartest persons I have ever known was a mechanic, had a college degree in business. Made a good living and raised five kids being a mechanic.

[Seruzawa]

The more modern term is “gearhead”.