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Thread: Loose head nut?

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  1. #1
    Join Date
    Mar 2007
    Location
    Liverpool UK
    Posts
    1,536

    Default Update:

    Hey haven't been able to check on this for a while as i've been off the road for a while with coolant hose issues! Thats sorted now so i took her out for a spin today and it felt amazing. However, got another tiny pool of oil so i let her run and wiped the pool away. The oil was seeping very very slowly through the bolt above the washer which i though was unusual? Is this a headgasket problem as i don't have any choco milkshake stuff in the oil and the coolant seems ok (only changed it recetly though)...

    Please help i'm worried.

    I want to tighten the valve cover nut more as it seemed loose but i don't want to make things worse...
    1995 XJR: 4.0L S/charged straight 6 Auto

    What... It's not broken??? I can still fix it

  2. #2
    Join Date
    Mar 2007
    Location
    Liverpool UK
    Posts
    1,536

    Default

    Its one of the number 6 nuts that goes through closest to where number 1 and 5 are...
    1995 XJR: 4.0L S/charged straight 6 Auto

    What... It's not broken??? I can still fix it

  3. #3
    Join Date
    Feb 2006
    Location
    Oldham, England
    Posts
    3,078

    Default

    Quote Originally Posted by e34.535i.sport
    Hey haven't been able to check on this for a while as i've been off the road for a while with coolant hose issues! Thats sorted now so i took her out for a spin today and it felt amazing. However, got another tiny pool of oil so i let her run and wiped the pool away. The oil was seeping very very slowly through the bolt above the washer which i though was unusual? Is this a headgasket problem as i don't have any choco milkshake stuff in the oil and the coolant seems ok (only changed it recetly though)...

    Please help i'm worried.

    I want to tighten the valve cover nut more as it seemed loose but i don't want to make things worse...
    As you can see the link cant work like that but I'm certain its not a head bolt. What you are looking at is just a cover over the camshafts. If there is room, try putting a fibre washer under the steel one. That should stop the oil seeping. If the nut keeps working loose, clean it and the bolt threads, put on a drop of locktite and tighten again

  4. #4
    Join Date
    Mar 2007
    Location
    Liverpool UK
    Posts
    1,536

    Default

    Quote Originally Posted by whiskychaser
    As you can see the link cant work like that but I'm certain its not a head bolt. What you are looking at is just a cover over the camshafts. If there is room, try putting a fibre washer under the steel one. That should stop the oil seeping. If the nut keeps working loose, clean it and the bolt threads, put on a drop of locktite and tighten again
    Hey does this link work:

    http://www.realoem.com/bmw/partgrp.d...82&hg=11&fg=15

    Its the top diagram one of the nuts on there... Is that what you imagined?
    1995 XJR: 4.0L S/charged straight 6 Auto

    What... It's not broken??? I can still fix it

  5. #5
    Join Date
    Feb 2006
    Location
    Oldham, England
    Posts
    3,078

    Default

    Quote Originally Posted by e34.535i.sport
    Hey does this link work:

    http://www.realoem.com/bmw/partgrp.d...82&hg=11&fg=15

    Its the top diagram one of the nuts on there... Is that what you imagined?
    Yep that link works fine. Its just what I thought. It occurs to me that if its a domed nut, you could be tightening it as far as it will go but it still wont be tightening down to the cover. Thats how the oil could be getting out. If thats the case a fibre washer should definitely sort it. Hope that helps

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