tell me what to check
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2007 Ford Explorer Sport Trac Question: Heater blow's cool air
Answer #1mastertech6371 October 16, 2011, 21:53Master
make sure the coolant level is correct. the thermostat needs to be checked as the water needs to be hot. check the heater hoses. they must be hot as well, one hot and one cold says the heater core may be clogged. and lastly, the blend door motor which is a common failure may be at fault.
Replyewmurray, October 18, 2011, 11:55Rookie