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

94 6 Speed Transmission Issues

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Old Aug 22, 2003 | 10:05 AM
  #1  
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From: Milford CT
Default 94 6 Speed Transmission Issues

Where can I find common issues for the 6 speed in my 94. First and second are very noisy and there seems to be a lot of "Slack/looseness". I was wondering if there were known problems with the box. Thx.
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Old Aug 22, 2003 | 10:14 AM
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From: Bergen County NJ
Default Re: 94 6 Speed Transmission Issues (Thomastp)

First of all, welcome to the forum.

The ZF 6 spd is a very tough tranny - my mechanic refers to it as "bullet proof". One of the reasons that the tranny is so rugged is the angle at which the gear teeth are cut. This feature also makes this transmission noisier than others. Unless yours has been badly abused, the noise is probably normal. The have been numerous post on this topic, so do a search and you'll be able to read many informative responses.
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Old Aug 22, 2003 | 10:17 AM
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Default Re: 94 6 Speed Transmission Issues (Thomastp)

Mine is noisey,and I'm not worried at all. :cool:
:chevy :chevy :chevy :chevy :chevy :chevy :chevy
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Old Aug 22, 2003 | 11:33 AM
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Default Re: 94 6 Speed Transmission Issues (Thomastp)

Chg the oil, some noise on 1st & 2nd normal, if it selects all gears ok its fine. Mine's a little hard going into rev.

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Old Aug 22, 2003 | 12:01 PM
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From: aka... The Bud Man... Brunswick, Mo.
Default Re: 94 6 Speed Transmission Issues (froggy47)

Is the clutch stock or has it been replaced with a SMF? :cheers:
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Old Aug 22, 2003 | 12:07 PM
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Default Re: 94 6 Speed Transmission Issues (ered95)

The clutch is a stock unit
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