Question about 1999 Volkswagen Passat

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Have a Passat 2002 diesel 130, The temp gauge has stopped reaching normal position, and only moves to about a quarter way up. Have changed the stat and checked the pump-all OK, and found no difference. The heater gets hot(but not toast). Any clues? Cheers John

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Actually, if the temperature gauge is at the 25% vs. 50% that means the engine is running cool. That's good for the engine to run cooler rather than hotter.

However, there could be a restriction in the cooling system causing the heater not to get as hot as toast.

Good luck on flushing and repairing this anomaly in the cooling system.

Posted on Nov 12, 2010

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