I have a whine , I'm sure its the air compressor . Clutch bearing maybe.. has anyone else had this happen so quickly , its only a 2007 GXP.....
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My 06' might be developing the same issue.. I'm gonna take a piece of heater hose (Rad Hose) and use it like an ear horn.. Thats the only way I could dial in which pulley was goin out. Tried the stethoscope but the sound traveled through to every bracket and pulley.. JME
Popping the belt off a GXP is a mofo.. Tensioner is a bastard. GM dealer where I'm at didn't even have the "proper" gm tool to do. I wish it was as easy as a 3.8
Ups...good power from the factory, sound good.
Down....slim aftermarket...probably a PITA to work on. IDK...never messed with one..just assuming it is. lol
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