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Discussion Starter · #1 ·
when i drive i hear a grinding noise coming from the right rear and left rear tire but when i apply the brakes it stops. I have replaced the brakes because i thought it was that but i still does it. I looked at the rotors and their doesnt seem to have anything wrong with them do i need to replace the rotors or is it something else. Thank you.
 

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Discussion Starter · #4 ·
I never serviced the differental. it only has 36,000 miles and was in storage for 2 years since 04. While driving today i heard it only on the right side. So i dont know if i should replace the rotors and see if it still grinds or not.

What should i do?
 

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2002 chevy trailblazer_ls
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Sounds like noisy parking brake shoes. Sometimes rust buildup inside the rear rotor where the parking brake shoes are will cause some noise and will go away when you hit the brakes.
 
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