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When a run flat runs flat

Discussion in 'Other Car/Van Related Technical Information Required / Provided' started by M32Guy, Nov 20, 2016.

  1. M32Guy

    M32Guy M32 Specialist

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    This was driven into the workshop on Friday. Came in because the warning light was on and had been for a few days. Never occurred to them to check the tyre pressures. Even run flats aren't built to withstand that sort of negligence. Wasn't too far from a blowout DSC_0005.JPG
     
  2. vecboy

    vecboy Well-Known Member

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    i see it all the time does not matter how big the tpms light is on dash they will still take no notice of it I have even given my first mot fail for tpms light on.
     
    Fred Bassett likes this.
  3. steve barnes

    steve barnes VxON Club Member VxON Club Member

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    Aren't most run flats rated at a certain milage like the bridgestone's for example rated at 50 miles on flat to get to nearest garage?
     
    Fred Bassett likes this.
  4. vexorg

    vexorg Well-Known Member

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    They may not have noticed, especially with run flats. I'm sure old top gear done a test where Tiff raced round the track on run flats with no pressure and there wan't a lot of difference in handling or track time.

    Even normal tyres can end up like that. I had a flat rear tyre on a calibra, First I knew of it was a slight buzzing type sound that I couldn't identify. Then pulling off the M74, after driving at 70 for some time, there was a very strong smell of burning rubber. Opened the door and saw a flat tyre and smoke from under the car. Limped to a garage and tried to blow it up to get me home., it wouldn't blow up. I took it off and found the whole inner wall had melted through almost all the way round.

    What amazed me was that the car felt fine, at speed on the motorway and driving to a garage (there was nowhere safe to stop between motorway and garage).
     
    Last edited: Nov 22, 2016
  5. M32Guy

    M32Guy M32 Specialist

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    That's why there's a warning light
     
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  6. vexorg

    vexorg Well-Known Member

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    A friend with a BMW had half the dashboard light up with a flat tyre, traction control, stability control, and some other systems all went mad and into fault mode.
     
  7. Fred Bassett

    Fred Bassett Super Moderator Staff / Moderator VxON Club Member VxON Approved Trader

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    Just shows that some drivers don't think you need to bother with tyres , oil , water & batteries etc . A blow out at motorway speeds can have a deadly outcome.
     
  8. steve barnes

    steve barnes VxON Club Member VxON Club Member

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    Remember coming down the A38 returning from holiday in the back of my grandad's Ford Sierra when i was a lad and having a blow out at 70mph, pretty scary as a passenger, luckily he had good control of the car and managed to get to the hard shoulder, that was a brand new premium tyre as well. Took it back to where he bought it who then rung the company, turned out there was a faulty batch where the side wall would collapse yet they didn't recall.
     
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