Question about 2000 Volkswagen Jetta TDI

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No heat even though the engine temp is perfect

Recently during a long road trip, without warning or obvious explaination the heat stop working.

The blowers is fine but no heat. At first start a spurt of warm air then it blows cold. The hose lines entering and exiting the heater core are hot. My thought is the accuator motor but need some advice.

Thanks

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Sounds like air has entered the cooling system or there is a blockage in the heater core.

Posted on Feb 05, 2010

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Posted on Jan 02, 2017

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