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From: Mississauga, Ontario Corvettes were built to be driven...not trailered
St Jude Donor '07-'08-'09
Driver side "clunk" (Rear wheel)
Last year my '86 developed a clunk from the back left tire when I put it in gear and sometimes when I came to a stop. I had the u-joints replaced and while they were a little worn, they didn't end up being the problem as the clunk was still there. For what its worth, the clunk is more of a high pitched clunk, almost tinny. Could this mean rear end trouble? Otherwise the car runs strong with no noises or vibrations at high speeds. Any suggestions [IMG][/IMG]
The early C4's are notorious for having this noise. I read where you could spray motorcycle chain oil in the vent holes of the driveshaft and the halfshafts to eliminate it. So far I'm enduring the noise since I know that my u joints are ok.
I had the same noise (high pitch like something metal was about to break) coming from my rear when going from a forward to a reverse gear. Changed u-joints twice, but that didn't help. Then when I replaced the whole suspension, front and rear, ball joints, tie rods, control arm bushings, wheel bearings e.t.c. it went away. So I'm guessing rear wheel bearings. Put the car on a lift and have the suspension checked over really good. You might find a bad component that could be the cause. If your garage ha a whel lift the mechanic could sit in the car while it's up and shift from reverse to forward to isolate the noise. Good luck.