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

need quick 4 +3 help

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Old Jul 7, 2003 | 11:22 AM
  #1  
MY 95's Avatar
MY 95
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From: I need a 4 door C6 Z06
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St. Jude Donor '05-'06-'07-'08
Default need quick 4 +3 help

just drove an 85 with 58k.........4 + 3 tranny OD engages fine but when the OD is not engaged there is whine that increases w/ speed......goes away when you engage OD........is this normal???
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Old Jul 7, 2003 | 12:29 PM
  #2  
86VetteBill's Avatar
86VetteBill
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Default Re: need quick 4 +3 help (My 95)

This probably isn't going to help, but my '86 4+3 does NOT do that. I wouldn't think there was a change in the 4+3 between these years??
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Old Jul 7, 2003 | 12:41 PM
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From: Minneapolis MN
Default Re: need quick 4 +3 help (My 95)

There is a whine when the OD is NOT engaged? I'd have to say that's not normal, as mine doesn't do that either.
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Old Jul 7, 2003 | 12:56 PM
  #4  
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From: San Diego , CA Double Yellow DirtBags 1985..Z51..6-speed
Default Re: need quick 4 +3 help (FlyboyZR1)

I recall reading about a whine only when the OD is off. I'll have to look it up, but I do remember that it wasn't normal and was an indication of somethinig wrong.
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Old Jul 8, 2003 | 08:18 AM
  #5  
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trupp
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From: League city Texas
Default Re: need quick 4 +3 help (My 95)

This symtom is a sign that the carrier bearing in the OD section is going out. Mine has this problem. I am nursing this along until I can replace the transmission.
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Old Jul 8, 2003 | 08:21 AM
  #6  
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From: Indianapolis IN
Default Re: need quick 4 +3 help (trupp)

Mine does not whine.
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