2004 Jaguar X-Type



November, 1, 2010 AT 4:21 PM

Engine Cooling problem
2004 Jaguar X-Type 4 cyl Front Wheel Drive Manual 110000 miles

car loses coolant slowly during urban driving but loses over a litre on a motorway run of approx 80 miles. No visible signs of coolant leak and car has been checked over by charles hurst jaguar. They carried out pressure test and gas test. Both proved negative. No loss of pressure and no change in colour during gas test. Is this an internal combustion problem, cracked head gasket? Where is the coolant going if not on the ground. Heater matrix fine. No wet floor panels etc. Would you suggest using something called K-Seal to sort out the problem? Grateful for response


1 Answer


Dave H

November, 1, 2010 AT 5:57 PM

If there are no visible signs of a leak on ground after running then the only other option is internal (headgasket) leak .. but both test's prove negative ?? could be a bad pump/seal which is only leaking when hot and resealing once cool (unusual, but not impossible) .. i would still expect to see a coolant spot on the ground after parking the car for a while ? .. k-seal is not advisable on this vehicle or untill you locate where the actual leak is from ?

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