Wandering steering

Discussion in 'Wheels, Tyres, Brakes & Suspension' started by swithin, Mar 9, 2016.

  1. swithin

    swithin Hardcore MB Enthusiast

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    Hi all, just had new discs and tyres rotated. Driving back car was all over the place. Took 99 SL500 back and they changed the knackered steering damper. Steering better but nothing like it was before I had any work done, any thoughts by anyone before I take it back to the specialist again?
    When braking car pulls sharply left, tramlines dangerously, doesn't steer straight without constant slight corrections, no confidence in my baby anymore.

    Cheers

    Gary
     
  2. kid-jensen

    kid-jensen Hardcore MB Enthusiast

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    Maybe ther broke/damaged something on the steering or suspension when walloping the disk off?
     
  3. renault12ts

    renault12ts MB Club Veteran

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    Try putting the tyres back as they were.
     
  4. Flyinspanner

    Flyinspanner Hardcore MB Enthusiast

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    New discs -and I assume new pads? Maybe it's just bedding in the pads.
    If you didn't do pads too - that could be the issue.
    It could possibly be a sticky calliper making it pull to one side.
    Hopefully the mating faces for the replacement discs were clean.

    Rotate the tyres back, does it improve things? Could just be the slight differing wear you have noticed.

    If steering twitchy, check your tie rod ends, and steering rack security, rack mounting bushes.

    Did you have 4 wheel geometry check? Go to somewhere which has a "Hunter geometry checking system". - much better than 'wheel alignment'.
     
  5. OP
    OP
    swithin

    swithin Hardcore MB Enthusiast

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    Do you think putting wheels back as they were will make that much difference? I'll give it a go.
     
  6. renault12ts

    renault12ts MB Club Veteran

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    Who knows, but, as you say, give it a go.

    You can't lose by doing this...and it might work. After all it is one of the fundamental things that has changed since you put the car into the garage.

    Do you have a staggered set up?

    Maybe the tyres are directional?
     
  7. RichardF

    RichardF Hardcore MB Enthusiast

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    Somethings dangerously wrong. If your car pulls sharply to the left it, shouldn't have been given back to you like this. I would hope they change pads and discs, discs only is asking for trouble. Re the twitchy feel, have you checked the tyre pressures, some numpty may have over inflated them.

    No doubt the steering damper needed changing anyway, but it wouldn't cure/cause those symptoms. Any specialist worth there salt would know that.

    Worth a read of this, although I doubt it's your immediate problem if it only started after new brakes.

    Rear Suspension Refresh (R129) Mercedes SL & (W124)
     
    Last edited: Mar 9, 2016
  8. OP
    OP
    swithin

    swithin Hardcore MB Enthusiast

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    Thanks to all for the replies. I've just rotated the tyres again and gone for a blast, and once again it was a blast not a nightmare. Can't believe that rotating the tyres caused the steering to go that far off kilter, the rear tyres weren't bad when I put them on the front.
    Next job, get neighbour to help take off panoramic roof, summers here ;)
     
    1 person likes this.
  9. RichardF

    RichardF Hardcore MB Enthusiast

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    I'm pleased you're sorted. :thumb:

    I wonder if the tyre pressures were re-set when the wheels were rotated. Mines quite sensitive to front tyre pressures, I keep them on the minimum.
     
  10. Bellow

    Bellow Hardcore MB Enthusiast

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    It's a struggle to believe people still rotate tyres.
    The theory is that it spreads the wear but within that is recognition that tyres bed to their particular 'corner'. Obviously, rotating them sets them on the path of a new bedding in process during which contact with the road is compromised.
     
  11. renault12ts

    renault12ts MB Club Veteran

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    I am glad it solved your issue. As above, I didn't think people rotated tyres anymore.
     
  12. rorf

    rorf Hardcore MB Enthusiast

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    Rotating tyres is absolute nonsense maybe it worked with the old crossplys, but radials is a no no. .
     
  13. kid-jensen

    kid-jensen Hardcore MB Enthusiast

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    Another problem with rotating tyres is that they all wear out at the same time,which means a big bill.

    Half that bill is more managable.
     

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