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Oil leak 200

posted by  marmc57 on  Wed May 12 23:32 CST 2004
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last visit: Fri Dec 4 09:36 CST 2009
[RELATED]

My 240 turbo, B21FT, 275k miles, is spraying oil from inside the timing belt cover onto the head. The head was replaced about 5k miles ago, and was gone through by a reliable machine shop. The flame trap was thoroughly cleaned at that time. As I read posts, I wonder if the flame trap could be clogged this soon, or are new cam seals not a standard item to replace during a valve job?
The car is a spare for now, but I like it better than my 940. Better built, but not as comfy.....
I understand I should replace the timing belt anyway, but for now would like to fix the oil leak so I can replace the distributor cap and rotor which became so oilsoaked it barely runs.
My questions are:
Is it difficult to replace the cam seals once the timing belt is off?
Is there a good way to get at the flame trap without removing the intake manifold? I cleaned it up when the head was off, so access wasn't a problem at that time.
Thanks for any advice.
Mark
--
'94 940 Wagon, '84 240 turbo sedan








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    Oil leak 200

    posted by  rstarkie on  Thu May 13 01:21 CST 2004
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    last visit: Fri Oct 24 10:14 CST 2014
    [RELATED]

    Yes, the cam seal should have been changed when the valve job was done.

    While your car is equipped with a flame trap holder is should not have the insert installed. It is not used in the turbo engines.

    If it is leaking as bad as you describe I would guess the seal might have been pushed out completely.

    Just because the holder (and in your case the insert) is clean does not mean that there is not a blockage in the system. The oil seperator can have buildup and restrict enough to create crankcase pressure.

    Randy








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      Oil leak 200

      posted by  Abnormally Aspirated 945T on  Thu May 13 02:03 CST 2004
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      last visit: Mon Jul 1 09:01 CST 2013
      [RELATED]

      Sounds like a good time to replace the seals. It's incredibley easy to do with the timing cover off and the timing belt loosened. In the case of the cam, if you take off the valve cover and remove the #1 bearing cap, you can slide the seal off with your hand. I think your machine shop may have inadvertantly installed a defective seal, or never changed the old one, or accidentally pinched or otherwise damaged the new seal. You'll have more peace of mind if you take a little time and replace it yourself. I just replace ALL the seals on two of my volvos. I actually enjoyed the process, especially since they do not leak a drop. Very satisfying and a great way to get to know the car and it's condition. Once done, also check to see if other blockage occurs as mentioned in the previous posters suggestions re: restriction. There should be no flame trap on that car as far as I know, but there is an oil separator and the likes that also need examination. Good luck!

      Sincerely,

      JBeechraft







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