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1998 ls1, converter won't stay in lockup

This is a discussion on 1998 ls1, converter won't stay in lockup within the Automatic Transmission forums, part of the Drivetrain category; have vigilanty 3,200 stall converter won't stay in lockup. Any ideas?...

  1. #1
    Member 99transamC/FIA's Avatar
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    Exclamation 1998 ls1, converter won't stay in lockup

    have vigilanty 3,200 stall converter won't stay in lockup. Any ideas?

  2. #2
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    I've had a used Vig 3200 (out of my brother's car) for years in mine and never had a problem with it. Is it newly installed? If it's randomly unlocking at steady throttle I'd look for a misfire - any codes?

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    Retired NOT tired SteveC's Avatar
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    2001 Z28 (Sara)

    I have a Y3000 coupled to 3.73 rearend gears, and after the install, I had lock and unlock problems until a dyno tune addressed these issues.

    SteveC

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    Veteran 0rion's Avatar
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    98 Formula
    06 duramax

    misfire codes more than likely if it's locking and unlocking randomly. You can get it tuned out or go get a crank relearn done.

  5. #5
    Senior Member bills98ta's Avatar
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    One more thing to check, the brake light switch... Ever notice while driving, if you tap the brakes, it unlocks the converter...
    Just another thought, Good Luck !!!

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