What are the causes of a squeaky serpentine belt in vehicles?

In: Asian Cars, Belts and Fluids, Serpentine Belts

Answer

dirt and dust usually could possibly be a dry worn belt but also check the belt tensioner it can be to weak and allow squeaking

Answer

Also, sometimes a belt with small cracks in it will make noise. If you haven't replaced the belt for a while I'd be suspicious of the cracks.

Answer

I've had this happen...check to make sure that water or anti-freeze did not hit the belt.

Answer

Either the belt is worn out or the tensioner is defective.

This also may be caused by your pulleys. For instance if the harmonic balancer gets out of line with the rest of your pulleys it can cause a squeak or if the bearing in one of your other pulleys has gone bad it can cause a squeak also.

First answer by ID2215214854. Last edit by Cw14. Contributor trust: 9 [recommend contributor]. Question popularity: 64 [recommend question]

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