New Transmission Issues - Grinding/Notching 6th Gear occasionally
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2004-2007 Cadillac CTS-V General Discussion Discussion, New Transmission Issues - Grinding/Notching 6th Gear occasionally in Cadillac CTS-V Series Forum - 2004 - 2007; I recently replaced my transmission with a T-56 Level V from RPM Transmissions. At the same time, new GM trans ...
  1. #1
    powerwagon80 is offline Cadillac Owners Member
    Automobile(s): 2004 V
    Join Date
    Jan 2007
    Posts
    8

    New Transmission Issues - Grinding/Notching 6th Gear occasionally

    I recently replaced my transmission with a T-56 Level V from RPM Transmissions. At the same time, new GM trans mounts, LS7 clutch and flywheel were installed. I had a local installer do the work.

    After the replacement, the 2nd to 3rd shift would occasionally grind, and shifting into 6th (from 4th or 5th) would either grind or notch into 6th. This happens once every 5 to 10 shifts. If I hold the shifter tightly into place in 6th, this seems to help. With the old shifter/trans/etc, I could put the car into gear, and I didn't have any issues.

    Since the transmission replacement, I have also replaced the motor mounts (RevShift Blue), installed a PISNUOFF short throw shifter with Creative Steel bushings, and then took the car to RPM for them to take a look at things.

    When RPM took the car for a drive, they did have issues shifting into 6th. They removed the trans and replaced everything associated with 3rd & 6th gear. I'd really like to thank they guys at RPM, they have been great to work with throughout the entire process. RPM mentioned that even with my new shifter, it still seemed to have a lot of play. I'd guest there is 1" to 1.5" of side to side play when in any gear.

    I still get grinds or notches when shifting into 6th gear. 2nd to 3rd shifts seem better so far.

    I read this article:
    http://www.cadillacforums.com/forums...ans-issue.html

    And while it's similar, I'm not power shifting, just a "normal" shift into 6th at highway speeds - 65 to 80mph.

    What should I do?
    Thanks!

    -2004 with a little over 150,000 miles.

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  3. #2
    darkman's Avatar
    darkman is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V
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    Nov 2005
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    Re: New Transmission Issues - Grinding/Notching 6th Gear occasionally

    Is there any reason you wouldn't just go back RPM Transmission with the problem?

  4. #3
    powerwagon80 is offline Cadillac Owners Member
    Automobile(s): 2004 V
    Join Date
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    Re: New Transmission Issues - Grinding/Notching 6th Gear occasionally

    It's about a 4 hour drive one way, was hoping to avoid the drive again...

  5. #4
    Scott2012's Avatar
    Scott2012 is offline Cadillac Owners Fanatic
    Automobile(s): 2005 CTS-V & 2010 AWD CTS
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    Jul 2012
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    Re: New Transmission Issues - Grinding/Notching 6th Gear occasionally

    Grinding gears are never good. Take it back, even if it's a 4 hr trip IMO.

  6. #5
    powerwagon80 is offline Cadillac Owners Member
    Automobile(s): 2004 V
    Join Date
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    8

    Re: New Transmission Issues - Grinding/Notching 6th Gear occasionally

    Just want to make sure that there isn't something else I'm missing. While I want it fixed, I don't want to be barking up the wrong tree.

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