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Steering wheel vibrates when braking

Discussion in 'VF Holden Commodore (2013 - 2017)' started by Flying Scotsman, Apr 1, 2019.

  1. Flying Scotsman

    Flying Scotsman New Member

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    Hi
    Appreciate any suggestions as to why my steering wheel shakes when braking. Shakes more violently if braking from higher speed but shakes to a degree at any speed when braking.
    Ssv 2015. Everything stock. Owned from new. Only 15000kms from new. No track work or ridiculous (!) driving. I know brakes, pads, rotors are 'consumables' but due to low kms I will be pushing for it to be rectified under the 5 yr Holden warranty. Just chasing any ideas, opinions, advice before I take it back to the dealer who sold it to me new and has done all servicing to date.
    Many thanks all.
     
  2. Ron Burgundy

    Ron Burgundy Well-Known Member

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    Most likely needs new front rotors....
    Sounds like warped rotors....
     
    Redline 2017 and Lex like this.
  3. Flying Scotsman

    Flying Scotsman New Member

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    Thanks Ron.
    Any idea why rotors would be warped after such low kms? Reckon it could be considered as warranty issue?
     
  4. Ron Burgundy

    Ron Burgundy Well-Known Member

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    Given low ks most likely just a result of uneven wear...
    I doubt holden would cover it under warranty but worth trying...
     
  5. lmoengnr

    lmoengnr Well-Known Member

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    How long has it been doing the 'shakes'?
     
  6. Flying Scotsman

    Flying Scotsman New Member

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    Noticed it the last couple of weeks. It's not my daily drive. A couple of weeks ago it was very noticeable when I braked hard from about 110 kph and I've noticed it since then braking at any speed. But less noticeable when braking at lower speeds around town. Was going to wait until next service in July but thinking better to get it investigated before then. Not sure why the rotors might have damaged by uneven wear. What causes uneven wear?
     
  7. lmoengnr

    lmoengnr Well-Known Member

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    Inspect the front rotors, look for a 'weird' pattern on the friction faces.
    They might be dodgy castings, or it might have a transfer of pad material unevenly around the rotors.
     
  8. Geoff6666

    Geoff6666 Member

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    Rotors can warp due to sudden cooling. e.g. going through water when they are hot - or even the car wash. I'm pretty sure the warranty won't cover that.
     
  9. Mattricho

    Mattricho Active Member

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    Is it worth doing the bed in process again?

    If it’s unevenly transferee pad material doing the bed in process could help.
     
  10. Ron Burgundy

    Ron Burgundy Well-Known Member

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    No point of that....
     
  11. Mattricho

    Mattricho Active Member

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    Wouldn’t it clean all the old pad material off and lay a new layer??
     
  12. Ron Burgundy

    Ron Burgundy Well-Known Member

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    Maybe ... but if the disc surface is not worn evenly, there is no point of doing that....
     
  13. ChRiDDa

    ChRiDDa Active Member

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    Could be that there are hot spots on the rotor

    Before opting to replace the rotors, I’d be looking to machine them to see if that fixes the issue
     
  14. UTE042_NZ

    UTE042_NZ Well-Known Member

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    Could be one or more of several other things. Loose or worn wheel bearing or ball joint, poor alignment, bent rim, damaged tyre, loose suspension or steering component. Get it looked at ASAP. It will be damaging/causing uneven tire wear every time it occurs.
     
  15. AndrewSv6

    AndrewSv6 New Member

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    I had my Disc Warp pretty early 33,000 but it was when i lived at Wollongong and would go down the 2 long mountains and then only live 2 mins from the bottom. So what was happening was the pads were not getting a chance to cool down so when i parked at home they were just sitting on the one spot till they cooled.
     
  16. gossie

    gossie Well-Known Member

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    Your local brakes shop should be able to give them a light machine to take the warp out. If it’s too seviour then new rotors and they are not a lot of money.
     
  17. 1985VK

    1985VK Active Member

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    I had a similar problem and put in a set of metal king brake pads and the problem went away ...
     
  18. HarryHoudini

    HarryHoudini Active Member

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    Yep,no warranty from most,Friends Triton Ute got the wobbles under braking after only 40,000K,both front discs warped for whatever reason.
     
  19. Skylarking

    Skylarking Well-Known Member

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    Brake rotors can warp for any number of reasons with over heating and incorrect cool down being just one cause. That’s why we see cool down laps in all.evels of motor racing. I’ve also seen some porche owners rolling their cars back and forth after race is done and they are back in the pits so brake pads done stay over the same part of a hot rotor for too long (they swear it sucks the heat out and warps or cracks them).

    So if you are repeatedly hammering your brakes while on a spirited drive, don’t simply pull over without driving calmly for a while to let the rotors actually cool down. Otherwise you are abusing your vehicle and abuse is not covered under warranty.

    But for a dealer to categorically state brakes are not covered under warranty is wrong and bullsh!it should be called for such statements.

    If you haven’t been doing such boy racer things on the road, then overheating and warping a rotor on a new low mileage car could be due to brake pad drag causing excessive heat build up. Why the pad is draging on a rotor should be investigated as it could be an assemble or manufacturing fault that causes it. If it is a draging brake pad that is the cause of the wobbles when braking, especially on a car wearing original pads and rotors, then it’s definitely something that should be covered under manufacturers warranty or ACL statutory warranty.
     
  20. panhead

    panhead Well-Known Member

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    Maybe my mother was driving his car, she constantly rode the brake pedal everywhere.




    .
     
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