SMOKING FROM UNDER THE HOOD

  • Tiny
  • shoeboy57
  • 1993 Jaguar XJ40
  • 6 CYL
  • 2WD
  • automatic
  • 125,000 miles

My 1993 XJ6 is Smoking from either the exhaust header, looks
like from under the chrome cover or where the headers &
pipes are bolted together, It is as if there is oil on the
pipe burning off, But I cleaned the whole area beforehand
and I don't see any kind of discharge when its running, As
the car gets up to normal operating temp, it starts smoking
from that area. The oil has been changed & is still clean
looking, Also, Not losing any antifreeze. Basically, I don't
see any kind of leakage, Just smoking, Grey smoke.

Monday, September 26th, 2011 AT 2:06 AM

3 Answers

  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,410 posts

Check closely for oil leaks from the valve cover gasket on to the exhaust manifold. Also, does it smell like oil?

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Monday, September 26th, 2011 AT 2:32 AM
  • Tiny
  • shoeboy57
  • Member

Hi, No, It dosent smell like oil & I dont see any oil leaks, It was suggested that there may be a coolant drain plug behind the header that may be loose & misting coolant on the header? I am going to try and check that tomorrow.
Thanks for the input, Id hate to have an engine fire.

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Monday, September 26th, 2011 AT 2:53 AM
  • Tiny
  • Jacobandnickolas
  • Expert
  • 68,410 posts

I understand. Coolant will have a sweet smell to it.

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Monday, September 26th, 2011 AT 2:57 AM

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