Belt squeaking

Asked by jleonard280 Dec 22, 2019 at 01:34 AM

Question type: Maintenance & Repair

Changed my alternator, idler pulley, both
tensioner pulleys, both belts, power steering
pump pulley and still squeaking and getting
louder as I accelerate.  Annoying mainly but
I'm sure it has some bearing on vehicle
function since everything is run on a slipping
belt I assume.

2 Answers


Serpentine belt squeaks are usually caused by something out of alignment on the belt drive system, alternator, power steering pulley, etc. I had a guy come into my shop with a terrible squeak on his Ford F 150, he told me he had replaced the belt and the tensioner, idler pulley when he replaced the water pump cause he thought that was causing the noise, anyway after checking the alignment of the pulleys I found that the power steering pulley was pressed on just a bit too far, so I put the pulley puller on and pulled it out just a little and no more squeak. Might be worth a look.

Thank you I am gonna try that . I'll let you know how it goes

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