The blower is blowing but heat won't get warm, it is cold. What could this be?
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1999 Lincoln Navigator Question: heat don't work
Answer #1Superbob October 15, 2010, 14:12Master
It could be in the Electronic Automatic Temperature Control (ETAC) unit in the dash, the thermostat could be not functioning and the engine is running cold, the coolant level could be too low and there's therefore air in the heater hoses, it could be a kinked or blocked heater hose,
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Replymichellebrown, October 15, 2010, 15:30Rookie