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caywood86
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Everything posted by caywood86
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I have a 2006 C4 which had popping sounds from the front end since day it was new. It took several trips to the dealer to finally resolve all issues. The noise could be reproduced at very slow speed in a parking lot when turning fully to the right then fully to the left. Also the popping could be reproduced when slowly turning onto an uneven surface such as a garage or driveway entrance ramp. The popping could be felt in my passengers feet on the floor. I had two problems with my front suspension. The first problem was due to a loose winding on the coil spring where it contacts the upper strut. I was told both springs were replaced with a tighter wound spring and most of the noise disappeared with this fix. This problem is covered in a TSB for 2005 models. However I have a 2006. The second and much more difficult noise to diagnose was due to a stiff inner tie rod end. The dealer was able to isolate the problem only through discussion with another mechanic who had previously spent two weeks looking for the problem in another 911. All front tie rod ends were replaced and I am finally noise free. The tie rod end problem was intermittent and would disappear temporarily once the car had been on the lift. The mechanic feels that when the car was up on the lift the suspension would reposition itself just enough to temporarily re-lube the tie rod end.