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tensioner pulley noise


rebscoach
03-17-2007, 07:45 PM
Could anyone explain how to replace tensioner pulley.It is making a squealing noise. It is on 05 six cylinder tb. Thanks alot
rodeo02
03-17-2007, 10:14 PM
Stick a breaker bar in the square receiver hole on the tensioner arm (it's either a 3/8" or 1/2" ratchet drive, I don't recall). Crank it clockwise to remove tension to remove the serpentine belt. There is one bolt that holds the tensioner assembly to the block. Are you sure it's not the idler pulley below the alternator? That's the usual noise maker. Here's the pic again compliments of GM:
http://media.gm.com/us/powertrain/en/product_services/2007/Photo%20Library/Line%20Engines%204,5,6/07%204.2L%20I6%20LL8%20TB1%20LoR.jpg
rebscoach
03-18-2007, 08:45 AM
Thanks rodeo02 I will give it a try.

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