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Thread: New headbolts or not ?

  1. #1
    Regular Member mark_647's Avatar
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    Default New headbolts or not ?

    Hi

    Ok, lets get the emabarrasing bit over with first. I fitted the wrong head to the car. It was the correct one for the block, fitted fine but had a different inlet.

    Anyway, I have a new and CORRECT head now, the question is do I need new head bolts again ? I know they stretch and are designed to be replaced whenever the head needs to come off but do I really need new ones ? The engine obviously never ran but they were tourqued up properly for a few days...

    Thanks,

    Mark

  2. #2
    Regular Member Derek Mc's Avatar
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    Better safe than sorry mate I would get a new set on there rather than risk the used ones despite being new, so to speak

  3. #3
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    Vehicle : Vauxhall Astra-J

    Trim : Elite

    Engine : 2.0 CDTi

    Year : 2013

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    The new ones have been stretched and therefore you won't be able to accurately torque them to the correct value again.

    In short, you'll need to replace again.

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    Tbh mate i would just replace them for the sake of £20 or so, It may cost you more in the long run if you dont replace them.

  5. #5
    Regular Member mark_647's Avatar
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    True, best get them replaced then...

    Cheers guys

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