heater is only blowing cold air

Asked by Jan 18, 2016 at 06:04 PM about the 2006 Ford Explorer XLS V6

Question type: Maintenance & Repair

My heater only blows cold air a/c works fine

3 Answers

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42,605

Either a thermostat, air pockets in the cooling system, low coolant, plugged heater core, or blend door actuator. Check the heater hoses, if one side is hot & the other hose cool, possible plugged heater core. Some times back flushing may take care of it.

42,605

One other thing I forgot to mention is the heater valve may not be working to allow climate control. I believe it works off of vacuum. It would be in a heater hose.

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