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91 trooper mystery noise (video)

686 views 3 replies 3 participants last post by  mlgsr 
Links worked for me. Honestly it sounds like a bearing growling, not an engine bearing, but one of the accessories driven by the fan belt.
Any chance you can disconnect the fan belts and drive it a short ways to see if it goes away?
It sounds just like a loose bearing vibrating and may also be dried out. In the past, I have had troubles with all sorts of various bearings, the GM AC compressor seems to have problems, but could be any other one too..alternator, idler.
 
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