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VXR Brake question/issue

Discussion in 'ZB Holden Commodore (2018)' started by knight001, May 7, 2020.

  1. knight001

    knight001 New Member

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    Hello all...

    Hope everyone is keeping safe in this current environment :)

    I have a little question and bit of concern with my VXR.

    I noticed on Monday after driving a short distance that when I braked I could hear a slight scrap or crunch sound coming from the passenger side front.

    I didn't think much of it until the following day I noticed it again. I decided to have a closer look and when I did I noticed on the passenger side front brake caliper pad that a clip looks like it is missing?

    A check of the front drivers side and it has a clip...

    I have attached photos and wondering if anyone can verify that they both should have clips!

    If any other VXR owners could take a photo for me that would be great.

    I have booked it in for service next week to sort out what is happening but just curious of how this would happen and if anyone else had this issue.

    I have only done 4200kms since new.

    Thanks
     

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  2. tuckerbag

    tuckerbag Active Member

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    GM pox
     
  3. SteveRSV

    SteveRSV Member

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    Unsure about the clips (unable to check as not at home). My RS-V displayed the same symptom. Ended up requiring new front control arms. Seems to be very common on the Commodore and Buick.
    Took a while for the dealer to source parts but I've had no issues since they were replaced.
     
  4. Anthony121

    Anthony121 Well-Known Member

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    Does the clip appear on the passenger side at the bottom of the brake? The part description only shows the pad has a clip on one side. I'm assuming you have Brembo brakes?
     
  5. vc commodore

    vc commodore Well-Known Member

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    So why according to your profile, do you own 2 GM vehicles if they are pox.....To me, that's a classic sign of a hipacrit (spelling is wrong)
     
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  6. knight001

    knight001 New Member

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    Hello... Yes they are Brembo brakes.

    The clip is missing from the top of the brake I believe.
     
  7. knight001

    knight001 New Member

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    Oh really? Do you have much more info on this issue? Is it something Holden knows about if I mention it or do you have a tech bulletin?
     
  8. lmoengnr

    lmoengnr Well-Known Member

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    Is it a clip, or a 'squealer'?
     
  9. SteveRSV

    SteveRSV Member

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    I'd imagine the dealers should know about it. I cant find any official reference to it but it's discussed here extensively.
    https://buickforums.com/forums/threads/front-suspension-noise-looking-for-similar-experience.49726/
    When I took mine in I described it as a brake noise and they pegged it on the front left control arm pretty quickly.
     
  10. tuckerbag

    tuckerbag Active Member

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    5 actually. VH VL turbo VPBT1 6litre cross 8 E3 R8. All pre GM pox
     
  11. vc commodore

    vc commodore Well-Known Member

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    So after VY they are pox.....Don't know why you bother replying....It's all useless crap by you
     
  12. tuckerbag

    tuckerbag Active Member

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    Oh hum
     
  13. vc commodore

    vc commodore Well-Known Member

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    Good answer...NOT
     
  14. knight001

    knight001 New Member

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    So the issue was the lower control arms... Took a bit of pushing as the service advisor was not aware of any service bulletin.

    I got a friend from a different Holden dealership to send me the Tech Bulletin and now it's booked in for next Wednesday...

    I have uploaded the service bulletin for anyone that needs it if you have the issues. Looks like revised parts for lower control arms.

    Cheers ...
     

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  15. Anthony121

    Anthony121 Well-Known Member

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    The Brembos in theVF redline have one clip at the top and the other side the clip is in the bottom. Theses are brake squealers to advise to change brake pads
     
  16. knight001

    knight001 New Member

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    So... It's fixed... We'll hopefully. The sound is gone and they have replaced both front left and right lower control arms.

    However I'm not sure if they did a wheel alignment as I'm assuming this would be done with any sort of work like that... I'm just waiting for a copy of the paperwork to be emailed to me. However it might pay to go some place other than a Holden dealership to get a good alignment done.
     
  17. vc commodore

    vc commodore Well-Known Member

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    They should have, but worth getting a second opinion if you have doubts
     
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  18. knight001

    knight001 New Member

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    Yeah I might just do that as the steering wheel isn't quite centre on a straight road... But I don't recall it was when I brought the car anyway... I normally always get a wheel alignment done when I acquire a new car.
     

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