Question about 2003 Ford Explorer
Front defroster not blowing everything else is fine.
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Posted on Jan 02, 2017
SOURCE: a/c problem
You either have a bad control, or motor running the air direction door in the front HVAC unit, or a door that is stuck.
The front and rear units are totally separate.
The door directs where the air, cold or hot, should come out, whether it is panel vents, floor, defrost, or any combination of those.
This door and motor are located inside the heater box which usually requires a lot of the vehicle dash assembly to be taken apart to get to these parts.
Posted on Aug 28, 2008
SOURCE: My front defroster doesn't work
Their is a vacuum actuated valve that redirects the flow of air from the panel to the defrost vents when the defrost is selected. I would check the vacuum line running to the valve while the vehicle is running with the defroster on and check whether or not the line is pulling a vacuum to actuate the valve, if not you obviously have a bad line or vacuum line fitting. If you have suction on the vacuum you will need to check the valve and see that is functioning properly. The valve is usually located under the dash on the passengers side. If you are mechanically inclined i would go to a local auto part store and pick up a repair manual for your car for about $20 as they contain diagrams and info that will save you alot of money.
Posted on Dec 08, 2008
remove hub ,take retaining circlip out and knock it out with a big big hammer supporting it on an old wheel rim and a tree trunk.this job is easy to do but unless you have the right tools entrust it to a garage who will have a nice press .
Posted on Feb 02, 2009
I have the 03 Expy with continuous rear air unit "clicking" or more accurately flapping of the air damper while the plastic gears in the 2L2H-19E616-AA grind away into toothlessness. Ford designed this unit to find the end of travel by jamming the motor to a stop and monitoring the current to determine when to stop applying voltage. That would probably be fine if the gears were designed to handle the jammed torque or the motor did not slip out of groove and continue turning and cracking the plastic gears.
There are two white colored boxes, one is for the temp plenum door, the other the upper/lower air flow. To be sure, do what I did, turn on the ignition, rear ac/heat and listen for the obnoxious click/thump as you move the temp control from full heat to full cool, you will know which part. Disconnect the electrical connector, four bolts and it is out!
Go to your dealer, part should be about $60 or less, look on line, lots of dealers sell for this or less on internet.
Posted on Apr 07, 2009
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