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-   1992-1999 (https://www.gmforum.com/1992-1999-91/)
-   -   Loud Knocking noise.... (https://www.gmforum.com/1992-1999-91/loud-knocking-noise-205980/)

619Bonneville97 08-15-2004 04:45 AM

Loud Knocking noise....
 
I need help....When I start her up there is a loud knocking noise and when I hit the gas it get's louder and faster.....Shops keep saying it's my crankshaft.....but DAMN!!! That's a hell of a fix!!

DrJay 08-15-2004 07:59 AM

mmm...knocking at idle? Thats a hell of a rod knock if thats the case but that usually shows up around 2500rpm. its a bottom end problem though. sorry

artk 08-15-2004 09:03 AM

Mine turned out to be harmonic balancer.

DrJay 08-15-2004 09:06 AM

reeheeheeaallly hehe, you lucked out for sure. I'm kind of going on the assumption that his mechanic has it narrowed down decently.

stever 08-15-2004 11:51 AM

Re: Engine knock
 
Mine turned out to be a connecting rod bearing - hence the rebuild.

Kennginn 08-15-2004 02:37 PM

yeap it could be the crankshaft thats why i am tearing her down soon


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