If you're even remotely interested in wrenching, you've probably heard of idler and tensioner pulleys, but if you're unsure which is which, step right this way.

AThe R4 radial A/C (shorty) compressor was available with a short water pump on some '76-'79 Monza V8s, '76-'82 Corvettes, and '85-'87 Corvettes. Each application had a unique short pump variation, ...

There is a screeching noise from the pulley-belt in my 2015 Volkswagen Amarok. I have changed all the pulleys except the engine pulley. I have even changed the belt several times. It’s not going away.

A serpentine belt lasts 60,000 to 100,000 miles, or roughly 5 to 7 years under normal driving conditions. This single ri ...