Hello , I think I've got a head gasket fault on my f250 but I can't seem to find anyone with the know how to test it ? The water system seems to be pressurising and pushing the water out of the header/expansion tank , there are no bubbles just a build up of pressure , I checked the thermostat and it was faulty so I fully removed the thermostat from its housing whilst waiting for a new one and put back together to see if this would solve the problem ... it hasn't , The car in itself runs perfectly Help please as this will cost me money that I can't afford to spend and the worry of a cracked engine block could be possible to ? The car had a full rebuild in 2012 in Spain with strengthened head bolts by the previous owner Thanks
My car has 62000 miles.
My car has an automatic transmission.
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