Vehicle & Technical > Discovery

Weird Problem

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Tommo:
IIRC even with thermostat stuck shut the heater should still work. personally i would try bleeding it. might be an airlock.

craigiow:
will try bleeding it, save me a load of time is there easy way to bleed it

POTASH:
if the heaters cold its got an airlock

J13 MUD:
Had a similar problem last year with my Disco 300TDI, it turned out to be a minute hole in the head gasket which caused the heater to run hot and cold.

Jim

craigiow:
didnt have long today so didnt drain the sytem just bled it, heat has returned and car doesnt appear to be overheating, will monitor for a few days and if all good will prob drain and give it fresh antifreeze at the weekend

thanks for all your replies

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