Well I replaced the belt almost one year ago because the old one was pretty worn with a lot of cracks. I just put on a new tensioner and put some belt dressing on too. Now it only does it at start up and when I give it any gas other then those times is sounds as it should
So I have a 2002 Denali XL with 166000 mi. Recently the engine started squealing so I thought it was the serpentine belt. I replaced that with a Gates of the same size but it was still there so I took it back. Now it only does it when it is cold or I give it a little bit of gas. It does not do...
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