Another fix from GM for clicking wheels
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2009-2014 Cadillac CTS-V General Discussion Discussion, Another fix from GM for clicking wheels in Cadillac CTS-V Series Forum - 2009-2014; There is a new TSB out yesterday for the clicking wheels. No longer replacing rotors with 2 piece, instead back ...
  1. #1
    flatrockguy is offline Cadillac Owners Fanatic
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    Another fix from GM for clicking wheels

    There is a new TSB out yesterday for the clicking wheels. No longer replacing rotors with 2 piece, instead back to cleaning and using a different lugnut. here is the document.



    #PIC5136K: Clicking Noise From Front Wheels - (Aug 28, 2012)
    Subject:
    Clicking Noise From Front Wheels

    Models: 2009 - 2012 Cadillac CTS-V

    ________________________________________
    ________________________________________
    This PI was superseded to update recommended field. Please discard PIC5136J.
    ________________________________________
    The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.

    Condition/Concern:


    A customer may comment on a clicking noise emanating from the front wheels. This condition is noticed at low speed (walking speed) during full wheel lock turns on dry clean pavement (Full lock parking lot maneuver). The clicking noise is generally noted as approximately 1 to 4 "clicks" per wheel revolution.
    The CTS-V has lightweight high performance front rotors with an aluminum center. The clicking sound is caused by interaction between the wheel mounting face and wheel mounting surface on the brake rotor caused by the aluminum-to-aluminum interface.

    Recommendation/Instructions:


    Note: Do NOT replace the Front wheel or brake rotor for the clicking condition (The new brake rotors that were being installed previously for this condition should no longer be installed. The procedure to use now is cleaning and replacing the wheel nuts as described below.)
    Procedure:
    1. Remove wheel
    2. Clean wheel as follows:
    Use clean cloth dampened with GM Brake Parts Cleaner 12378556 or equivalent. b) Wipe the mounting surface of the wheel to remove any residual grey or black material that has accumulated on the wheel mounting surface. Be careful not to use the Brake Cleaner on the painted or clear coated surfaces of the wheel. It is also helpful to use a Scotch-Brite Cleaning Pad to aid in cleaning. Be sure NOT to use the scotch pads (Roloc disc) on the aluminum material. All cleaning MUST be done by hand, do NOT use ANY air or power tools!
    3. Clean the rotor top hat as follows: a) Use clean cloth dampened with GM Brake Parts Cleaner 12378392 or equivalent. b) Clean the wheel mounting surface of the rotor (rotor top hat) to remove any residual grey or black material that has accumulated on the rotor. During the cleaning process be sure to clean the rotor near the wheel pilot at the center of the rotor. It is also helpful to use a Scotch-Brite Cleaning Pad to aid in cleaning. Be sure to NOT use scotch pads (Roloc discs) on the aluminum material. All cleaning MUST be done by hand, do NOT use ANY air or power tools!

    Note: Be sure to thoroughly dry the wheel and rotor prior to installation on vehicle.
    4. Reinstall wheels using replacement wheel nuts with P/N 9598179 (front wheels only, so need qty. 10 for this repair) (these can be identified with a blue color on the inboard conical portion of the nut (see pic) and torque them to 150 Nm (110 lb ft).

    Note: If a car had the 2-piece rotors installed (Part number 20795300 & 20795302) prior to the release of these "blue cone" wheel nuts and has a repeat wheel click concern, perform this cleaning procedure, replace the wheel nuts with the new blue cone nuts, and torque to specs.

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  3. #2
    PeteK is offline Cadillac Owners Fanatic
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    Re: Another fix from GM for clicking wheels

    Well, while I like the idea of the 2-piece rotors for free, as I'm hoping to get to the track soon, mine started clicking after a few hundred miles, as opposed to about 8000 on the original one-piece rotors, so I'm willing to try again.

  4. #3
    cdog533's Avatar
    cdog533 is offline Cadillac Owners Enthusiast
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    Re: Another fix from GM for clicking wheels

    Damn, I missed the rotors!!!

  5. #4
    Torxila's Avatar
    Torxila is offline Cadillac Owners Enthusiast
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    Re: Another fix from GM for clicking wheels

    Just got my rotors last week...boooyah!

  6. #5
    OldRoadDawg's Avatar
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    Re: Another fix from GM for clicking wheels

    Quote Originally Posted by flatrockguy View Post
    ...and torque them to 150 Nm (110 lb ft).
    ... interesting, considering the specs originally called for 140 lbs and the first TSB 'attempt' increased the torque to 158 lbs.

  7. #6
    Pphilthy's Avatar
    Pphilthy is offline Cadillac Owners Fanatic
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    I have an appointment for Friday to address this issue - looks like I'm missing out on the two piece front rotors by a couple of days... As long as the issue is resolved, I'm all good...

  8. #7
    Almondted is offline Cadillac Owners Member
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    Re: Another fix from GM for clicking wheels

    WOW, got mine just in time and no click since the rotors where replaced...

  9. #8
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    baabootoo is online now Cadillac Owners Connoisseur
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    Re: Another fix from GM for clicking wheels

    Quote Originally Posted by cdog533 View Post
    Damn, I missed the rotors!!!
    Ditto brother!

  10. #9
    1997BlackETC's Avatar
    1997BlackETC is offline Cadillac Owners Connoisseur
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    Re: Another fix from GM for clicking wheels

    Darn, me too, missed the new Rotors, got my car a couple months ago new and just hit 4k miles, the wheels started to click around 400 miles ago.

  11. #10
    Trapspeed's Avatar
    Trapspeed is offline Cadillac Owners Connoisseur
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    I'm happy I got mine but something about this whole thing makes no sense. You mean to tell me that GM got to the point where they felt changing rotors was the solution and now we are digressing to a lug nut swap?? Hmmm.
    jft69z and jft69z like this.

  12. #11
    jft69z is offline Cadillac Owners Fanatic
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    Re: Another fix from GM for clicking wheels

    Quote Originally Posted by Trapspeed View Post
    I'm happy I got mine but something about this whole thing makes no sense. You mean to tell me that GM got to the point where they felt changing rotors was the solution and now we are digressing to a lug nut swap?? Hmmm.
    Yeah, something is fishy here. They must have figured out that lug nuts are a lot cheaper than new rotors.....

  13. #12
    allinmyhead is offline Cadillac Owners Member
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    Re: Another fix from GM for clicking wheels

    I'm sure it's simply that they under estimated the number of rotors that they were going to have to replace under warranty. After the deluge of $600+ warranty fixes in the last 30 days they backed off of it.

    Or they ran out of stock?

  14. #13
    Pphilthy's Avatar
    Pphilthy is offline Cadillac Owners Fanatic
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    Well, whatever they do, they need to find a long term fix... Wondering if anyone has submitted a lemon law claim for this issue or if it's even applicable...

  15. #14
    67 mobill 442's Avatar
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    Re: Another fix from GM for clicking wheels

    Wowwww, I got my rotor's replaced about 2 weeks ago. At about 1700 miles. No more clicking. I took the TSB in and gave it to the service writer. Boy did I get lucky. Yeaaa!

  16. #15
    cruiser68 is offline Cadillac Owners Enthusiast
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    Re: Another fix from GM for clicking wheels

    Quote Originally Posted by 67 mobill 442 View Post
    Wowwww, I got my rotor's replaced about 2 weeks ago. At about 1700 miles. No more clicking. I took the TSB in and gave it to the service writer. Boy did I get lucky. Yeaaa!
    +1 got mine replaced yesterday.....just in time for a track day

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