Cooling system problems are usually indicated by an overheating engine, a loose fan belt, slow engine warm-up or less often, an engine running too cold. Do not open up a hot cooling system. Turn ...

If your fan belt is making noise, it’s either that it has stretched out and needs to be replaced, or it’s symptomatic of some other problem like a bad water pump or alternator, Kilmer explains.

The fan drive pulley assembly bolts may be incorrect or improperly installed. Incorrect or improperly installed bolts may lead to a loose fan belt, resulting in a disabled bus.

A properly tensioned belt should not allow the pulley to turn. If your alternator belt is loose enough to slip, it’s possible it and other belts have seen better days.

The problem started with a metallic screech, a bit like a loose fan belt but with a frightening metallic edge to it. I ran the engine for a total of a minute or two, over a couple of occasions trying ...

RAY: It makes noise when you step on the gas, which is a classic symptom of a loose or worn-out belt. Eventually, the belt will get so bad that it'll squeal all the time.