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Old 11-27-2017, 03:57 PM   #1
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Noise getting worse from read end

Over the past couple of months I have started noticing a creaking and popping noise coming from the rear end when I drive over speed bumps and other road imperfections and it seems to be getting worse. I have replaced the OEM sway bars with SR Performance Adjustable Front and Rear Sway over a year ago and did not notice such noise after the replacement. Not being that mechanically inclined I was wondering could such noises be coming from the sway bars or some other suspension parts. I know it is hard to give an answer without hearing and driving my ride but was looking for possible things to consider. Also, how often do OEM suspension parts need to be lubed/greased, or replaced - the vehicle is over 4 years old with just short of 22,000 miles. As always thanks for your time and feedback.
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Old 11-27-2017, 09:39 PM   #2
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Quote:
Originally Posted by rgwest61 View Post
Over the past couple of months I have started noticing a creaking and popping noise coming from the rear end when I drive over speed bumps and other road imperfections and it seems to be getting worse. I have replaced the OEM sway bars with SR Performance Adjustable Front and Rear Sway over a year ago and did not notice such noise after the replacement. Not being that mechanically inclined I was wondering could such noises be coming from the sway bars or some other suspension parts. I know it is hard to give an answer without hearing and driving my ride but was looking for possible things to consider. Also, how often do OEM suspension parts need to be lubed/greased, or replaced - the vehicle is over 4 years old with just short of 22,000 miles. As always thanks for your time and feedback.
Hardly any suspension parts today are designed to be lubricated, or even should be, due to the fact that by design, the only movement relative to mating parts is absorbed by rubber, which is bonded to the two parts having motion relative to one another. The type of sounds you describe are often the result of loosened rubber-bushed parts, such as shock absorbers. Check wherever there are nuts holding bushed parts together, that they are tight. Also, look for rubber bushings which are deteriorated: torn or ragged-looking.
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Old 11-28-2017, 12:42 AM   #3
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If you replaced your Panhard Bar with the sr Performance one, check it. I had the same problem on my lowered 14 v6 and it was the Panhard Bar. I put the stock one back on and all the creaking and popping went away.
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Old 11-28-2017, 05:28 AM   #4
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my rear passengers side squeaks in cold weather when hitting bumps. figured it's something down in the suspension but never bothered to check.
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Old 12-05-2017, 05:40 PM   #5
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Hit the bushings with a lithium spray and see if that helps... Silicon bushings are notorious for NVH.
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