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M6 Tranny

This is a discussion on M6 Tranny within the Manual Transmission forums, part of the Drivetrain category; So... gears are grinding. 2nd and 4th the most...2nd almost every time and if i take my time shifting really ...

  1. #1
    Impounded
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    M6 Tranny

    So...
    gears are grinding. 2nd and 4th the most...2nd almost every time
    and if i take my time shifting really slow...it grinds on every gear
    the shifter itself is kinda loose, vibrates alot. but i plan to get a Pro 5.0, new clutch kit with speedbleeder and new MC.
    so i was wondering if i can build up my transmission? or should i replace? any thoughts?

  2. #2
    Senior Member Schmalgar's Avatar
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    04 Cobra 'vert - M6 mysti
    02 WS6 coupe - A4 red

    I had the same issue, with 2nd and 4th grinding, especially 2nd same as you. It was a clutch issue for me, not the tranny itself. Have you checked the clutch?

  3. #3
    Moderator 35th-ANV-SS's Avatar
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    Yes, you can build your transmission. There are several reputable transmission builders. I used RPM Transmission located in North East Indiana.

    If you plan on having a shop do the rebuild for you, it is going to be costly...

    Since yours is grinding in every gear, this to me doesn't sound like a transmission problem but a clutch problem.

    If it was only happening in a certain gear, I would say it is your synchro's in the transmission for that gear.

  4. #4
    blah '02 WS6's Avatar
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    black
    '02 trans am ws6

    Are you still on stock clutch or have you replaced it? Sounds like the drill mod would help.
    '02 ws6.....mods? nope

  5. #5
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    yup...im all stock
    so...new clutch kit with speed bleeder and MC?
    fuck... here goes $1000
    im thinking the Monster Stage 3?
    ive heard the LS7 clutch is good, but i plan to be boosted in the next 4 years or so (and wouldnt that put me over 505hp therefore overpowering the LS7 clutch? ...or what?) would the LS7 be a waste of time to only have for 4 years...or i guess i could always upgrade when needed right?
    Last edited by BashamWS6; 11-15-2010 at 08:45 PM.

  6. #6
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    Quote Originally Posted by 35th-ANV-SS View Post
    Yes, you can build your transmission. There are several reputable transmission builders. I used RPM Transmission located in North East Indiana.
    If you plan on having a shop do the rebuild for you, it is going to be costly...

    Since yours is grinding in every gear, this to me doesn't sound like a transmission problem but a clutch problem.

    If it was only happening in a certain gear, I would say it is your synchro's in the transmission for that gear
    .
    and this means...?
    just something the local shop can fix? or like replace? or hell idk shit about transmissions...

  7. #7
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
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    Quote Originally Posted by BashamWS6 View Post
    and if i take my time shifting really slow...it grinds on every gear
    This line sounds like a clutch problem. Not a bad idea to start with the clutch makeover and see where that gets you.

  8. #8
    Moderator 35th-ANV-SS's Avatar
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    The first thing I would check is your hydraulic fluid. Is it black or does it look like a honey color? If you've never changed it, it is probably dirty.

  9. #9
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    ill have to check.

  10. #10
    Member marksls1ta's Avatar
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    sounds like a slave cylinder problem to me.

    check to see if it creeps up reving the engine in gear with the pedal pushed.

    Thanks,
    Mark

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  11. #11
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    Quote Originally Posted by marksls1ta View Post
    sounds like a slave cylinder problem to me.

    check to see if it creeps up reving the engine in gear with the pedal pushed.

    Thanks,
    Mark
    by it i assume you mean the clutch pedal?

  12. #12
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
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    no he meant the car. If the car creeps forward with the clutch pedal to the floor when you rev it up, then the clutch isn't fully disengaging the engine from the transmission.

  13. #13
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    oh it doesnt do that...

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