Rear drivers side thump
03-23-2019, 07:12 PM
#1
Staging Lane
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Join Date: Dec 2006
Location: New York
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Rear drivers side thump 07 Monte SS original owner 107,000 miles.
Last spring a small thump,clunk,tap noise developed in the drivers rear. With 90+ miles I decided to do rear struts. Replaced the strut and mounts with OEM.
Noise still present, Then I replaced bushings for rear sway bar along with links. Then Both rear trailing arms, both sets of (control arms?) going side to side. and finally both wheel bearings. Yes while I was under there new rotors and brakes. THERE is nothing left to change. Still the noise.
I dropped the back seat while the wife drove the car around and I could feel the bumping on the strut top.
I don't see any rust on the metal. Tried retightening the strut top nut. I found a TBS to cut the rubber tabs from the coil spring. NO LUCK.
I wonder if the new strut could be bad? I recall it only took like 8-10lbs to push down or extract it.
Tomorrow I plan to tear it all apart hope to find something.
Last spring a small thump,clunk,tap noise developed in the drivers rear. With 90+ miles I decided to do rear struts. Replaced the strut and mounts with OEM.
Noise still present, Then I replaced bushings for rear sway bar along with links. Then Both rear trailing arms, both sets of (control arms?) going side to side. and finally both wheel bearings. Yes while I was under there new rotors and brakes. THERE is nothing left to change. Still the noise.
I dropped the back seat while the wife drove the car around and I could feel the bumping on the strut top.
I don't see any rust on the metal. Tried retightening the strut top nut. I found a TBS to cut the rubber tabs from the coil spring. NO LUCK.
I wonder if the new strut could be bad? I recall it only took like 8-10lbs to push down or extract it.
Tomorrow I plan to tear it all apart hope to find something.
03-24-2019, 11:55 AM
#2
Wow, thats frustrating, Doesn't sound like you missed anything. The GM braces tighten things up a bit, might help some and they can usually be found in a junkyard or are inexpensive new as well.Need the custom brackets for these cars too. Look around some, its a good investment anyway as they for sure work. Post back your findings, good luck!
https://montecarloforum.com/forum/fw...r-brace-27280/
https://montecarloforum.com/forum/fw...r-brace-27280/
03-27-2019, 07:48 AM
#3
Teching In
Join Date: Sep 2015
Location: Warrensburg,mo
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Did you ever figured out what the problem was? I been having a similar issue on the right side going over small bumps. I’ll be changing out my springs/struts, mounts soon. Do you have lock collars on your sway bar (addco). Those collars hits the frame when the vehicle is compress, you must grind the down.
