C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

reverse problems

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Old Sep 3, 2007 | 08:47 AM
  #1  
tdr1919's Avatar
tdr1919
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Racer
 
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From: Coram NY
Default reverse problems

when heated up my 86 (man trans - doug nash 4+3) has a problem in reverse, if I lock the wheels (turn right hard) there is a noticeable whirring sound and sounds if something is slipping. I tried to back up a hill and the car would not move in gear. In forward gears the clutch feels solid with no signs of slippage.
Any Ideas what it could be?
Thanks,
Tom
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Old Sep 3, 2007 | 04:56 PM
  #2  
Rich B.'s Avatar
Rich B.
Melting Slicks
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Joined: Aug 2001
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From: Lockport NY
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Originally Posted by tdr1919
Any Ideas what it could be?
Sounds like an overdrive clutch pack problem...

From my limited (but recent) experience with DNE overdrives, here's a quote from a noted DNE overdrive expert..."Non reverse is caused by the reverse clutch pack slipping, although the manual part goes in reverse fine, Reverse mode requires the direct clutches to be functional for reverse. The carrier had been blown on this unit which creates excessive direct clutch clearance, thus the failure."...

If you want an experts opinion on your particular problem, post a thread in this Forum -

http://www.5speeds.com/cgi-bin/ikonb...gi?;act=SF;f=5
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