Rattling Noise. Tensioner?
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Joined: Jan 2010
Posts: 44
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From: Commerce California
Car: 1990 Camaro RS
Engine: 305 TBI
Transmission: 700 R4
Rattling Noise. Tensioner?
Well I ask a lot of questions and this one i did not have time to do research for so don't get mad. I replaced the serpentine belt on my LO3 and its making an awful rattling noise. I took the belt off and checked all the pulleys to see if there was any play. The tensioner pulley moves around is it suppose to have play? If i do need to replace it can i just do the pulley itself ($20) or will I have to buy the whole Tensioner assembly? Thanks for your help. 
Joined: Mar 2000
Posts: 43,187
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
It should not have any play. If the play is in the pulley, replace the pulley. If it is in the tensioner, replace the whole thing.
Joined: Mar 2011
Posts: 547
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From: Germany
Car: 1990 Trans Am
Engine: 305 TPI
Transmission: Auto
Axle/Gears: Stock
Re: Rattling Noise. Tensioner?
Aye. The pulley should rotate freely but not be able to move in or out, up or down.
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From: Washington
Car: 1991 Z28 Camaro
Engine: 5.0
Transmission: 700R4
Axle/Gears: 2.73
Re: Rattling Noise. Tensioner?
Yeah, tensioner shouldnt move, make sure its bolted all the way down, or replace it.
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