got new rear coilspring fitted last week .get noise from rear of car when i go over mound .thought it might be?

Question

thought it might be exhaust hitting something on rear end .but exhaust seems ok .can not see anything else doing it also got new brake pads fitted to rear end they seem ok mercedes c200.the back end seems a bit high know new spring might cause that got wheels realined this morn but still getting rattle on spring side any ideas would be appreciated.thank you.

M M M · Accepted Answer

If it's only just started since they replaced the spring then take it back to whoever fitted it, something may not be in the right place.

Country Boy · Answer

Check to see if at the top of the opposite side coil spring that was replaced if there is a rubber spring dampener at the top and bottom of the coil. Now check the spring that was replaced at the top and bottom. The next will be tricky: Shine a light up and around the rear strut mount bushings where the coil spring sits up in the uni-body.

Check the exhaust system by pushing and pulling side to side and up and down the entire length of the system. Check all the rear suspension link rubber insulation bushings. Check all the front end suspension bushings. Check the front and rear sway bar links.

? · Answer

"a new coil spring" - you should have replaced both sides not just one, you now have one corner stiffer than the other.   Just a comment.

Brian · Answer

Sounds like the strut if it's OEM then it's probably not made to be that compressed. check the struts to see if there is any leaks behind the sleeves.. if you lower your vehicle you wanna get the whole assembly

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got new rear coilspring fitted last week .get noise from rear of car when i go over mound .thought it might be?

4 Answers