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Changing an exhaust manifold gasket

Discussion in 'Defender 90 / 110 / 130' started by Trailpug, Jan 27, 2013.

  1. Trailpug

    Trailpug New Member

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    Hi,
    Could anyone give me a step by step guide to changing the exhaust manifold gasket on a 300TDI Defender i am sure its not that hard but i don't want to fook it up.
    got to start somewhere!
    Still got oil getting on the engine block, the rocker cover ain't leaking i cannot feel anything blowing around the head, after much reading on here i cannot think of what the hell else it could be!!
    Its not causing a problem just getting on my tits:eek::eek::eek:
     
  2. Trailpug

    Trailpug New Member

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    Ok could anyone at least let me know how much i would expect to pay to get it done?
     
  3. currymunster

    currymunster Active Member

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    Been looking into this myself as I think mine is blowing.
    One gasket for both inlet and exhaust (ERR3785)300Tdi
    So James Martin tells me its only a few bolts and you don't need to undo the downpipe if you are just changing the gasket. You do need to remove the inlet manifold though.

    check out www.landroverweb.co.uk and download your manual.
     
  4. Trailpug

    Trailpug New Member

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    Cheers currymunster,
    nearside of my engine is slowly getting covered in oil it does not seem to make any difference in performance but looks ****e and i assume that it cannot be doing it any good? i have read around that bolts have a habit breaking of which is putting me off doing it as is my daily motor as well and i don't even own a torque wrench!!! Bloody amateur i know!!!!!!
     
  5. jamesmartin

    jamesmartin Well-Known Member

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    bolts bont have a habit of breaking ,and you should be able to refit manifolds without a torque wrench ,4 bolts hold inlet then you can get at exhaust nuts x7
     
  6. Trailpug

    Trailpug New Member

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    Thanks James. Voice of reason as always it just ****es me of when two local Land rover garages told me the same about the bolts shearing off and having to drill them out and re thread them which would cost a lot!
    Is this going to damage my engine or just make a bloody mess which it is doing quite well!!!!
     
  7. jamesmartin

    jamesmartin Well-Known Member

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    if its leaking a lot id want to see why ,inlet would leak some if gaskets damaged but if a good bit you might want to see what turbos passing
     
    Last edited: Jan 28, 2013
  8. currymunster

    currymunster Active Member

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    James - You don't reckon this is a breather issue same as mine????
     
  9. Trailpug

    Trailpug New Member

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    Job is going to get done just a matter of how quick this week or pretty soon? Sorry don't understand I've undo q??
     
  10. Trailpug

    Trailpug New Member

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    Curry whats the breather issue?
     
  11. currymunster

    currymunster Active Member

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    By the rocker cover(leftside as looking from radiator grill) is a little black plastic cylinder called a cyclone filter. this can leak and the pipe goes around the back of the engine and joins the turbo inlet pipe just under the rearmost exhaust port.
     
  12. Trailpug

    Trailpug New Member

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    Live and learn! I take these are prone to leaking then am I right in assuming cleaning the cyclone thing would be a good start before I pull the manifold of then?
     
  13. bustersbus

    bustersbus Well-Known Member

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  14. Trailpug

    Trailpug New Member

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    Cheers buster
     
  15. bustersbus

    bustersbus Well-Known Member

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    nae wurries ;)
     
  16. The Mad Hat Man

    The Mad Hat Man Well-Known Member LZIR Despatch Agent

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    ooo is yu back then Buster?? I hope so.
     
  17. bustersbus

    bustersbus Well-Known Member

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    Just fur a minute or two D ;) :D
     
  18. Trailpug

    Trailpug New Member

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    Ok slightly confused how can a little back pot make such a bloody mess on the other side of the frigging engine I have got there is a pipe around but how does all this mess get everywhere has a pipe fell of or something?
     
  19. currymunster

    currymunster Active Member

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    Please don't qoute me but there is a 8mm bolt holding the cyclone unit to the rocker carrier. Remove this and disconnect. A rubber o ring is all that seals it. if it leaks the oil will come out and run round the outside of the pipe to under the manifold. Equally - I just learnt that the oil could be from the inlet or outlet manifold.
     
  20. Trailpug

    Trailpug New Member

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    I have cleaned the cyclone it was minging :eek: checked the pipe around the back into the air pipe re tightened all the clips also checked the main air intake for the turbo and did the same.
    Cleaned as much of the ****e of as i could with paraffin and tipped a can of this Wynns Engine Stop Leak in case the head gasket is weeping so we shall see if after all this then the exhaust manifold it is!!! But i just don,t understand how oil is coming from the exhaust surely it should be dry???????