Rear end noise 93 240
#1
Rear end noise 93 240
I recently changed out the rear trailing arm bushings to polyurethane ones. Since then I have whining and howling noises when I accelerate and decelerate above 40 mph. Sounds like rear diff noise. I then pulled the driveshaft and replaced the center bearing and loose u joint near the diff. Still getting the noise. Never had the noise until changing bushings. Related to poly bushings somehow it seems. Anyone experience this? Vehicle has 191k miles and runs strong.
#3
#4
If poly was better - why don't any car manufacturers use them?
#5
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