2001 Vauxhall Omega overheat

Car: Vauxhall Omega
Year: 2001
Variant: 2.2 CD
Categories: Running Rough, Starting & Power Loss
Hi
my car over heats only when i go above 3k revs.

idle speed every thing works as it should do.
ive checked all the hoses emptyed the tank.
i cant seem to find out what the problem is.
changed the thomostat to.
the water pumps out after the over heat all the pipes get hot and the rad does to ive no idea ???????? help please
Posted: Apr 1, 2011 (13 years ago)
Hard to understand your post . Take it you've changed thermostat ? If the header tank is emptying and pressurising , get head gasket tested
Posted Apr 1, 2011 (13 years ago)
could be the radiator is blocked or maybe the water pump impellor has become detachted from its shaft so its not spinning properly
Posted Apr 2, 2011 (13 years ago)
yeah ive changed the thrmostate
Posted Apr 2, 2011 (13 years ago)

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