Question about 2008 Ford Explorer
Ford service department has replaced the thermostat, heater core and water pump, but the heater is still blowing cool air when stopped at a red light or parked. Heater blows warm air while vehicle is moving.
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Posted on Jan 02, 2017
The heater only blows HOT air when set on defrost or floor settings. If you have the lever set for vent, only cold air will come out. Check to make sure you set the controls to floor or defrost. This is standard for all Festiva's.
Posted on Nov 16, 2008
plus one on the cooling fan problem. if it was low on charge then as you slow down, condensor temps and line prressures would raise therefore it would cool at low speed and and not when moving since the incoming air would drop system temp,reducing line pressure and then cusing compressor to cycle. the auxillary cooling fans must be on whenever a/c is on, if not, thats your problem. get this taken care of because if you get stuck in traffic, your engine will overheat also if fans are not running
Posted on Sep 02, 2009
One of 3 things could cause this, that I know. The thermostat has been installed backwards. The water pump broke soon after install. Due to it being a rebuilt one. And a small clog in the heater core. All of these things are easy to fix.
Posted on Dec 14, 2009
SOURCE: 1999 Ford Taurus, no heat.
Try checking the two pipes that go into and come out of the heater matrix, is one of them hot? if it is there is an air lock within the matrix, Also is the thermostat opening fully? Sorry i know you said you have changed it twice already but take it out check settings when it should open and close, then boil some water and test the thermostat
Posted on Dec 30, 2009
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