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-   -   revenge of the clankclankclank (http://forums.pelicanparts.com/porsche-924-944-968-technical-forum/177960-revenge-clankclankclank.html)

CJFusco 08-16-2004 02:41 PM

revenge of the clankclankclank
 
MY rear end was making noise about a year ago, the obligatory click-click-click in time with the wheels. Eventually it stopped, and never appeared again after I got my clutch replaced. Since the original clutch started slipping, I naturally replaced it. When the sound didn't come back, I assumed the clutch was the culprit.

Well, it's baaaaaaaaaaaaaaaack... sort of. Every once in awhile, it makes the noise.

A clicking in time with wheel rotation. Will click/thump for awhile then stop, then start again. It happens in gear while accellerating, in gear while decellerating, in gear with the clutch down, and in neutral while rolling, although it isn't as loud/prominent when the car is in neutral. Seems to get louder when i take left turns.

Sometimes the sound will disappear for days. Sometimes it will be constant. Sometimes it will make the noise for a few minutes and then be silent for the rest of the day.

I jacked up the car and tried to push in on the top of the wheel and out on the bottom, and then push out on the top and in on the bottom. There was no free play back and forth. As a matter of fact, the rear wheels weren't rotating very much at all, either. Trying to rotate the rear wheels gave me a lot of resistance, while the fronts rotated smoothly and evenly.

I grabbed the CV axle on each side and pushed it in and out (toward and away from each wheel) both had a lot of free play (car was not in gear). Driver's side axle made more noise when pushed toward the middle of the car, and the passenger-side axle made much louder noise when pushed in toward the passenger-side wheel. Passenger-side driveaxle seemed to move more easily. After I lowered the car, I put it in gear and tried the same in-and-out with the CV axles, and neither of them budged.

any thoughts?

I came close to repacking the CVs awhile back, as some (SoCal, AFJuvat, and FrankB were all involved in the thread, i remember) may remember. I never got around to it, however, because the car stopped making the noises. If it were the CVs this time around, I would just buy remanufactured axles and be done with it.

Makenzie71 08-16-2004 03:56 PM

I would opt to replace them.

CJFusco 08-16-2004 08:44 PM

ummmm you would opt to pay $150+ (not to mention 2 or 3 hours of my time) to gamble that it's the CVs - which might not even be the problem? I would rather find out how to know for sure, thanks :rolleyes:

SoCal Driver 08-16-2004 10:28 PM

The disk brake carrior is hanging up. This is supposed to move freely on the mounting bracket. Bet if you took a look at the brake pads you will find them wearing into a wedge shape.

CJFusco 08-17-2004 05:27 AM

thanks SoCal

what is the fix for this?

SoCal Driver 08-17-2004 07:25 AM

New brake pads and rotor. Actually I had to quick fix mine the other day and used a belt sander to level out the pads and just put them back on for now.


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