I have a squeeling sound when I start my truck, as it gets warmer it somewhat goes away. I have changed the tensioner pullys, the idler pully. Why is it stille doing it.

Asked by Oct 11, 2016 at 09:00 AM about the 2008 Ford F-350 Super Duty Lariat Crew Cab 4WD

Question type: Maintenance & Repair

2 Answers

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Isolate the sound. Could be a a bearing on one of the accessories. Remove the serpentine belt and spin the pulleys by hand. Any of them squeal?

I have changed all the pullys except for 1. Changed the serpentine belt and the smaller belt and still have the squeeling sound. Any other thoughts, water pump?

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