Clattering - Page 2 - 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 09-18-2006, 12:24 AM   #11
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thnx ill check into it
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Old 09-18-2006, 08:30 AM   #12
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LOL sry i meant chain, and the clattering started the night after i got it from the shop
take it back to the shop that did the work. tell them it didn't do it before.
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Old 09-18-2006, 10:12 AM   #13
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If your harmonic balancer were failing you shouldn't hear the clattering past 3000 rpms IMO. A "clatter" noise IS the sound a bad harmonic balancer makes, but usually it'* only audible at idle, and goes away as soon as the rpms hit 2000. But I don't know of one that can be heard while driving around @ 3000rpms. Not a bad idea to check though. If it happened right after you got it back from the shop I'd suspect they did something wrong.
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Old 09-18-2006, 10:16 AM   #14
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Harmonic balancers (bad ones, that is), go silent almost instantly on accelleration. Pet'* right.
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Old 09-18-2006, 09:10 PM   #15
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Just found out my uncle gave it to the shop right before he gave it to me and he said the harmonic balancer was the reason he brought it there. The car was supposedly fixed, 2 days later he gave the car to me. i drove it for one day and barely got home because the timing chain was screwed up. Now a day after that, this happens with the clattering. My incle stopped by and he said this clattering is more suddle and the clattering he had was at idle like you guys said.
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Old 09-18-2006, 10:48 PM   #16
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So you're saying the harmonic balancer was already replaced, which would mean the sound is still something else. You are hearing the noise at 3000 rpms and it is subtle? I think we're still at square one here. Did you take it back to the shop?
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Old 09-18-2006, 11:27 PM   #17
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will tomorrow
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Old 09-18-2006, 11:35 PM   #18
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Good luck. Hope they can figure it out and if it'* something they did wrong hopefully they'll be good about it.
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