rattle noise, either the idler, or tensioner pulley? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 08-04-2007, 05:48 PM   #1
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Default rattle noise, either the idler, or tensioner pulley?

i have a 1993 bonneville SSEI supercharged and on the pass side of the motor the rattle is only at a idle i see the pulley jump and click when i press the gas so i kno wich one it is but im not sure if its the belt tensioner or idler pulley its at the bottom in the back towards the alt and plastic, i kno its not the harmonic balancer. and this must be a common problem does anyone kno wich one it is and maybe a link to the cheapest one rockauto was $49.99+ shipping, and the one thats on there is like year old from napa so there junk. thanks
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Old 08-04-2007, 07:10 PM   #2
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ok i found out it is the belt tensioner pulley so i guess im just looking for the best price
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Old 08-05-2007, 11:02 AM   #3
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I bought mine from www.partsamerica.com
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Old 08-05-2007, 11:30 AM   #4
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When your tensioner pulley goes, it can be from being off balance, due to a bad tensioner. This happened to me and I almost learned the hard way, thankfully I was able to return the separate pulley I bought and buy the entire tensioner. Make sure that your tensioner is perfect before you go replacing just the pulley. Do a very close visual inspection, make sure the belt is not out of line at the tensioner.
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Old 08-05-2007, 11:32 AM   #5
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Chadly, can you please put your year and trim level in your signature so we know what year the car is and what engine/options it has? Click on Profile at the top of the page and insert that into your signature. It'll help us help you.
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