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Rattling in the motor; Need advice

R

rcvivian

Guest
My motor just started making a rattling noise in the motor. At first it sounded like something was hitting the exhaust pipes. I check and found nothing. It's now progressed to a much louder rattling. It doesn't sound like a rod or lifter. After a couple miles it started getting louder. It normally only makes niose when I'm in gear. To help duplicate the noise, I adjusted the RMP down until the clunking came back. This occured at about 700-800 RPM. As long as the RPM's are above 900 it doesn't make any noise and it has plenty of power. Any idea what the issue might be? I know is not anything rattling on the outside. Should I drop the oil pan???? What next?
 

craig32

Well-known member
Joined
Sep 30, 2004
Messages
482
Location
PA
Corvette
1981 repainted black coupe
Is it an auto or 4 speed? If it's a standard, it could be a throwout bearing or the like.

Craig
 
R

rcvivian

Guest
I found the problem. One of the flex plate bolt backed out....yea! I thought this was going to be a biggie. OBTW...thanks for the reply. It's an auto...
 

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