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Topic: Strange noise!!

in Forum: C3 Engines, Driveline and Handling


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Strange noise!!

Posted: 9/3/02 10:38am Message 1 of 3
pozz33
Former Member
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WEST HAVEN, CT - USA
Joined: 8/12/2002
Posts: 107
Vette(s): 1971 coupe brands hatch green with saddle interior
xx. |confusing|

|UPDATED|10/11/2002 10:45:57 PM|/UPDATED|



|IMG|http://www.C3VR.com/member_uploads/1301_1400/1385/casey_driving2.jpg|/IMG|
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Strange noise!!

Posted: 9/3/02 10:52am Message 2 of 3
JSB69
Former Member
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WEST CHESTER, PA - USA
Joined: 1/29/2002
Posts: 43
Vette(s): 1964 Roadster
Sounds like it may be the posi-plates chattering. If you do not have GM posi lube and GM posi lube additive in the differential, change it. Tons of posts on this on the Corvette Forum. Just do a search.


Strange noise!!

Posted: 9/3/02 11:00am Message 3 of 3
82dukman
Lifetime MemberLifetime Member
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Joined: 1/29/2002
Posts: 1049
I agree, you should drain and refil the rear with GM lube and posi additive. Put additive in first and top off with lube. Then drive slow in "figure 8' s" forward and reverse to lube the posi clutches.


in Forum: C3 Engines, Driveline and Handling


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