Question about 1998 Jaguar XJ8L

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XJ8 engine overheats

Agree that 6cyl far superior, but they stopped making them ! I've tried all the fixes for overheating xj8, even replacing a perfect water pump. I'm told there is a plastic bleed screw on the engine block itself somewhere - any comment?

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  • Anonymous Mar 20, 2009

    I have the same problem, fine on tick over but seems to boil over for no reason. I am going to fit a new stat I cannot get all the air out of the system. If head gasket gone wouldnt I see water in the oil or water from the tail pipes?

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Hi s no i disagree the v8 is a good engine if you have replaced the thermostate and checked the electric fans work at temp you might have a head gasket gone  let me know   D

Posted on Jan 24, 2009

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