the coupler definitely ratles at a idle or moderate load,the bearing make a light grinding sound uder moderate to heavy acceleration or going up a steep hill,i have allready changed all the idler pulley'* which helped allot for noise at an idle.
have you ever heard of something GM dealerships can put in the superchrger as an apparent liquid additive that stops the bearing noise??? a local automtive parts store owner said he had this done ,and it had to be done at the dearship only ?? im skeptical
Location: Campbellville, Ontario (Close to Toronto)
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I live clost to T.O and need to do my coupler and bearing...But I am limited to NO funds now. Unfortunetly it is the end of the semester I am broke and I just spent my last bit of money on go fast parts for my buick (Go Figure). I am also wondering how long my SC will last with the same symptoms it has been going on like this for about 50 000 miles.