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Thread: Z18XE exhaust manifold

  
  1. #1
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    podgehog's Avatar
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    Z18XE exhaust manifold *update - sorted*

    Does anyone know the torque settings for this??

    The bolts into the head and the nuts that then secure the manifold.

    Cheers.

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    just nip them up, the nuts deform so dont need torquing

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    really?? hmm... ok, i'll give that a shot... can i not over tighten them??

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    Sorry - I knew there was a PM I missed

    Studs to head - just screw them in till they nip up
    nuts to studs - 22nm or 16 lbf ft

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    Quote Originally Posted by Ffoeg View Post
    Sorry - I knew there was a PM I missed
    lol s'ok dude.

    ok, well, that's what i've already got em tightened to, just wanted to know if that ws right as i have a really bad vibrating through my car from the engine whenever i put the engine under strain (accelerating).

    It's fine if i drive very slowly, but as soon as the engine has pressure put on it, it vibrates, as if the exhaust is rattling, but only slightly cos it's quite a solid vibration, not a rattle.

    The reason i had to replace the manifold was due to hitting a lump of concrete on a private road that i didn't see (the road was crap anyway so i was going very slow) but this lump also had a metal stump in it, and it hit my exhaust and pulled that cat away from the manifold, and peirced my oil sump

    i have the manifold and cat repaired, and bolted back on, the hole in the sump fixed, but now i have this vibration issue...

    my exhaust has a bit of movement here



    but not loads *pic taken when cat was detached from manifold before repair*

    Anyone any suggestions?

    ALSO *nearly done!* i have replaced the earth strap as mine was knackered, if this new strap isn't good enough, would that effect anything?

    Cheers

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    any ideas anyone?? i'm stumped...

  7. #7
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    Just get yourself a new front pipe then

    Cost £34 + postage & VAT from cats-direct with 2yr warranty

    or check ur local motor factors for prices

    http://www.cats-direct-shop.co.uk/ex...?recordID=3218

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    cheers.

    could that be causing the vibration though? if so, i'll def. do it...

    there's not a lot of movement in it at all now that the cat's back on the manifold and all bolted in, but i'm assuming it shouldn't have been able to move at all

  9. #9
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    2170:01:06
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    There should be some movement, since that's why the flexi joint is there.

    is the movement definately forward of the flexi or to the rear of it?

  10. #10
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    well, when it broke, it was definitely where the arrow is...

    however, as i said, not it's all bolted back together, it's pretty solid...

    the vibration i get is really solid too- so i'm thinking mabe a screwed up a mount?? or at least the bush of one...

    not too clued up on that stuff though, how likely is that?

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