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#1
11-28-2007, 11:48 PM
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knock
I own a 96 cavy with 127k about 2 months ago it developed a random knock. it sounds like someone it hitting the bottom of the car with a rubber mallet on the passenger side. its decreased in frequency but I still hear it about twice a day at random times
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#2
12-05-2007, 11:05 PM
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Re: knock
if it is a dull noise it and happens under deceleration or at idle it could be a wrist pin connecting the piston rod to the piston itself.
__________________
AAS in Automotive Technology, and never stop learning!
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#3
12-06-2007, 01:42 AM
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Re: knock
What motor? The Ld9 2.4L is notorious for throwing a main bearing on a certain piston. I forgot which one is was for sure, maybe # 3?
__________________
Please don't PM me with your J-body Issues. Post appropriately in the forums, and I will toss my opinion in your thread if I have anything to help. - Thanks! 2006 Chevrolet Trailblazer 2010 Glastron GT 205XL
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#4
12-06-2007, 03:48 PM
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Re: knock
yes, #3
__________________
2001 Grand Prix GT: cat/u-bend/resonator delete, zzp PLOG, Custom Intake, DHP PCM, 1981 Fairmont 6cyl 3 speed 1978 Ford Ranchero GT 302 with a few goodies
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#5
12-11-2007, 11:19 PM
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Re: knock
no its a 2.2 happens mostlly when shifting from reverse to drive or vice versa. sometimes when letting off the gas after accelearating andd rarely when braking.
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#6
12-12-2007, 12:11 AM
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Re: knock
Sounds more like a transmission problem than engine related issue.
__________________
Please don't PM me with your J-body Issues. Post appropriately in the forums, and I will toss my opinion in your thread if I have anything to help. - Thanks! 2006 Chevrolet Trailblazer 2010 Glastron GT 205XL
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