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Thread: MOT fail due to brake pedal creep

  1. #1
    Regular Member baztheman's Avatar
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    Angry MOT fail due to brake pedal creep

    Hi all well its been a labour of love this week.....

    getting the car ready for its 1st mot since i owned it has took its toll on me.
    x2 rear boomerangs
    x2 front springs (both were snapped)
    x2 track rod ends
    x1 track rod
    gm oil change (nearly £80) robbing gits
    x2 new tyres (goodyear nct5)

    and it ****** failed the mot eeeeekkkkk

    well the tester said it had failed on 3.3.b.1a (brake pedal creeps down when held under pressure)

    well im off to the local vaux steelers and would like a 2nd opinion as i have read on here and other places that its a symptom called diesel creep.

    with engine switched off and pedel pumped it goes rock hard and does not sink,when engine is started and pedal pumped it will sink down.

    i done a brake test and it stops spot on and abs kicks in on emergency brake test!

    so i now need to speak to a vaux tech for advice (i may have the brake fluid changed even though others have done the same and it didnt make any difference)


    i will keep you all informed..... i even missed the ne rolling road day due to the major front end repairs (sorry chunk m8)

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    Admin plasma's Avatar
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    Pedal creep on these IS normal, and can catch people out who dont know about it.

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    Regular Member baztheman's Avatar
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    yea plasma m8 i know but it shouldnt catch out a mot station... hmmm

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    Regional Organiser - West Scotland neverlandandy's Avatar
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    it just goes to show that standards are not even across the board

    the pedal creep is normal

    the first time i noticed it on my vec i thought i had a problem and booked it into vx straight away
    when told this was normal i raised my concerns about this failing an mot and was told under no circumstances would my car fail an mot with this

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    Regular Member Ste's Avatar
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    A fluid change will make no difference. It is inherent in diesels due to how the brake servo pressure depression is created (via a vacuum pump) and is normal.

    Interesting link http://www.motuk.co.uk/manual_330.htm

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    Regular Member parsco's Avatar
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    That's an interesting read. Perhaps with some MOT stations you will have to tell them (because some may be morons) that you have a servo assisted hydraulic system.

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    Regular Member baztheman's Avatar
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    Update!
    well been to the stealers and they confirmed that it is known to them but they wernt to helpful.

    went to another mot center and they said the same "he should have passed it " he said

    so on the way home i called to the mot center and i spoke to the tester,he had just had another veccy in and it showed the same thing he said and said he was going to phone me .
    so a new pass certificate has been made out ..... job done


    ime sure there is a lesson to be learnt here ..... but i dont know what!

    cheers...baz

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    Regular Member LJ sxi-nav's Avatar
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    good result there. What a numpty tester!

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    Is it only on diesels that this is normal?

    It happens on my car too and its a petrol engine... It worried me at first until someone said they all did it.

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    Regular Member Tadpole's Avatar
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    Quote Originally Posted by baztheman View Post
    Update!
    well been to the stealers and they confirmed that it is known to them but they wernt to helpful.

    went to another mot center and they said the same "he should have passed it " he said

    so on the way home i called to the mot center and i spoke to the tester,he had just had another veccy in and it showed the same thing he said and said he was going to phone me .
    so a new pass certificate has been made out ..... job done


    ime sure there is a lesson to be learnt here ..... but i dont know what!

    cheers...baz
    Glad to hear that's sorted for you m8 ....

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