Quote:
Originally Posted by GrahamBrown1
If this is the case, it needs to be pressure tested. Both hot and cold. It needs to be pressured to just over a 1 bar and left for as long as possible. This will confirm any coolant leaks either internal or external. External is easier to fix, gasket, hoses ect internal your looking at either a head gasket, cracked liner or EGR cooler.
If the water pump is of poor quality and not circulating coolant correctly the car will overheat Quickly but it would not cause leakage unless the gasket was damaged but all would be evident in a pressure test.
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Thanks Graham.
My own opinion is the water pump gasket being faulty or damaged. There is no way that car could have been driven 2 hours at motorway speeds by the driver who delivered it to me.
HG, EGR & Cracked liner would surely present other symptoms. She sounds as sweet as a nut, no white smoke, no rough idle etc. It's purely the overheating and coolant loss.
It's back at my independent next week. If they still can't find the issue, it's off to a Volvo specialist.
Will keep you all posted and thank you for the excellent advice.