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Discussion Starter · #1 ·
I replaced all the bushing with polyurethane bushings and now there is a lound whine coming from the back of the car. It first came from the back left tire but we never even took it off. It is now coming from the whole back end. What could it be I can't find anything. It wasn't doing this before. It kinda sounds like the drums rubbing against the metal dust covers but those aren't scrapping. It is a 3.9 r200 diff that only has 100k miles on it(so I don't think that is it). What about U joints? Help me please!!!!!
Thanks sam 75 280z
 
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