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98n Coupe clunking noise

K

Karl Snedeger

Guest
I have 98 coupe that has started clunking when taking off from a stop. It didn't do it all of the time in the beginning, but now seems to from every stop. It sounds like it is coming from rear end somewhere but I haven't been able to pin it down. Last weekend I jacked the car up on stands . Everything appeared to be tight and in the right place. Anybody else have the same problem? Anybody else have an educated guess what this could be? Thanks
 
R

RJ98Vette

Guest
I am not sure but I may have a similar problem. Frequently when accelerating from a stop I feel a bump, very similar to running over something small. It always feels like it comes from the rear end. I mentioned the problem to the dealer during a service visit and was told there was nothing wrong.

I did have the rear brake shoes replaced and the problem seems to lessen - at least for a time. It is back now. Could it be connected to the brakes sticking?
 
K

Karl Snedeger

Guest
Clunking

I found my problem this weekend. I finally got my friends 68 Chevelle off my lift and put my 98 Coupe on. I grabbed every suspension part I could see and gave them all a good shaking. Nothing moved. Next I put a wrench on every bolt I could see. It seems that the sway bar bolts were loose. You couldn't move the sway bar by hand but the bolts holding it were very loose. While I had it up there I changed the end links to the 2002 model. They look better anyway. The car now drives like new again and no more embarrassing noise!
 

gtzy

Member
Joined
May 28, 2002
Messages
16
Location
Canton,Oh,USA
Corvette
2001 Conv,T-Red Z51
I noticed a creaking noise in the rear that was most noticable when backing out of drive way over a curb on an angle causing the body to flex or when jacking the car from the rear. I could not find anything obv loose. I decided to check the 4 rear susp X-member mounting nuts. Re-torqued them to specs @ 81lbs.,was able to turn several flats before 81lbs reached. The creaks disappeared. Went ahead and did the frt X-member also. Only 1 of the 8 mounting nuts were at proper specs
 

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