Vehicle & Technical > Defender

overheating TDI, or not?

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Jim-Willy:
Hi, My Defender 90 300tdi Temp gauge is going straight into the red when i start to go uphill, the engine doesn't appear that hot and neither does the radiator.  I have replaced the rad and thermostat and its no better, it was fine until last week, the thermostat didn't appear to be open even though the needle was in the red.  I'm scuppered, is there a common fault i'm not aware of?  The snorkel can't cause this can it, its the only thing ive changed? To say i'm annoyed is an understatement :evil:

Guy90:
Check the temperature sender on the engine. It may be playing up.

Jim-Willy:

--- Quote from: "Guy110" ---Check the temperature sender on the engine. It may be playing up.
--- End quote ---


Thats my next job, i'm not hopefull though, i would expect a inaccuarate reading permanently rather than just when the engine is under load

Guy90:
When minw was playing up I got the same thing as you. They are only a few quid.

turtle:
Few months ago I had a similar thing the temp gauge would shoot up to hot, this was due to air lock in the system!

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