Quote:
Originally Posted by Simmy
if a non genuine water pump has been used it may be faulty. iv seen cheap water pumps with melted or detached impellers is it possible that your car was doing a regen as the temperatures do rise significantly also check rad for any small leaks which only show when hot / pressurised pin holes can also occur on egr coolers
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Thanks Simmy.
I'm 99% sure the car is losing coolant then starts to over heat. Pretty close together and at higher speeds. At 70 - 80mph, within about 2 minutes at those speeds, over heating then low coolant warning.
If an impeller was detached or melted, would that cause a leak? Or would it have to be a faulty/damaged gasket for it to leak?