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pulley squeak

8244 Views 8 Replies 7 Participants Last post by  lenzhotrod
At idle, from outside the vehicle, I sometimes think I'm hearing a noise like a squeaking idler pulley from my 6.0. It's tough to be sure because of all the diesel racket.

Is there an idler pulley or two that are known to be short-lived on six-liters?

Is the 6.0 an engine that "just makes that noise," similar to the Chevy 350 whistle?

5 years, 58,000 miles. Original accessory drive belts.
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My 06 had a squeal when cold. Dealership replaced the ps pump and pulley(not sure if they come together) and belt as per a tsb. I don't have the tsb listed on receipt. Not sure if this will help.

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