What could be wrong with my heat ?

Asked by Mia Nov 13, 2017 at 12:13 AM about the 1998 Ford Explorer 4 Dr XLT AWD SUV

Question type: Maintenance & Repair

I have a 1998 Ford Explore XLT. The heat is currently not
working. It blows out cold air, the thermostat is working
fine, and their is antifreeze in it. Please help not sure what
is could be .

3 Answers
10

Christine answered 6 years ago

Could be your heater core is there kinda like steam coming from vents on dash if so most likely its a bad heater core or one of the lines are damaged

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22,630

Guru9FSV8 answered 6 years ago

Try flushing out the heater core with hoses connected to inlet and outlet of firewall. Like another guru said, consult YouTube as there are many videos on how to do this. With age of this vehicle, you could have a soot filled heater core. Also check air bubbles and if system holds pressure. This pressure is listed many times on your cap (13-18 psi). I will do 15 psi on cars. See if it holds for 30 minutes. Test cap also.

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