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Clanking noise when accelerating from a stop

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Old Oct 8, 2004 | 12:04 AM
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Default Clanking noise when accelerating from a stop

I hate trying to describe a noise but metallic clank is the only thing I can think of. The same sorta noise than a stressed e-brake makes, if you know what I mean.

Whenever I come to a complete stop and then take off again I hear a loud "clank" noise come from the underside of the car, I can't tell if it's front or back. Probably sounds more like the back but I pulled the wheels off an checked everything out back there and there is nothing obvious (nothing cracked or rubbed or worn looking). The noise is not present at speed at all and only makes it once. Speed of accelartion doesn't make any difference - the noise is still there. Sometimes it will make a very similar noise when I go over a speed bump or turn the wheel on a corner but not consistently.

99 automatic. Recently installed z06 sway bars and bilsteins but car was file for first 1000 miles with them on, no noise. Also, brake pads are currently in need of replacement (they are a squeekin').

From the research I've done on this site it looks like I may want to try re-torquing down the bushings and sway bar linkage, but does anyone else have any ideas?
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Old Oct 8, 2004 | 12:07 AM
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Be sure to torque it (sway bar) down to proper torque specs. I can almost guarantee that this is the problem. It may have just loosened enough to start clanking after 1000 miles. Torque them correctly and see if that solves it. Hopefully someone will chime in here with the correct torque specs.


Matt
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Old Oct 8, 2004 | 12:29 AM
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I read recently that it was 56 lbs. (I'm 99% sure that was the number.)
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Old Oct 8, 2004 | 08:33 AM
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Originally Posted by Viprklr
Be sure to torque it (sway bar) down to proper torque specs. I can almost guarantee that this is the problem. It may have just loosened enough to start clanking after 1000 miles. Torque them correctly and see if that solves it. Hopefully someone will chime in here with the correct torque specs.


Matt
I agree. Getting this noise shortly after swapping exhausts or sway bars is often due to loose linkage. Retorque and it should go away. This sounds like your problem.

Another common cause of clunking in the rear is corroded half shaft ends and loose hub shaft nuts. Pulling the shaft from the diff and cleaning and lubing it or torqueing the hub nuts usually solves these problems.
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