Knowledgeable Ford person question?
On my heater control the temp control blows hot even when you turn it to cool on the temp control. The truck is a 2000 F-250 Superduty. I did not see a control device on the heater hose, so I as...
Forum Discussion
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Regarding the heat available during cooling, the system design allows very moderate cooling on cool rainy days with some heat applied to keep full cold at bay. This accomplishes excess humidity removal while not over cooling on an already cool day. I like this dehumidifying feature to furnish warm, dry cabin air and wish my home allowed both systems to run concurrently. But, yes, Ford's design may also complicate the mechanism and servicing thereof.
One other point is that, except for Max-Air, cabin air is drawn from outside through the outer vent in front of the windshield. When ambient outside vent air is preferred right after being parked hot for a period, the engine heat has heat-soaked the firewall which contains the outer vent passages, so the first blast is quite warm. By running the AC for a short while, the vent-way finally cools enough so that outside air feels like the expected normal outside temp, and the AC can be shut back off to vent-only.
Wes
...
Regarding the heat available during cooling, the system design allows very moderate cooling on cool rainy days with some heat applied to keep full cold at bay. This accomplishes excess humidity removal while not over cooling on an already cool day. I like this dehumidifying feature to furnish warm, dry cabin air and wish my home allowed both systems to run concurrently. But, yes, Ford's design may also complicate the mechanism and servicing thereof.
One other point is that, except for Max-Air, cabin air is drawn from outside through the outer vent in front of the windshield. When ambient outside vent air is preferred right after being parked hot for a period, the engine heat has heat-soaked the firewall which contains the outer vent passages, so the first blast is quite warm. By running the AC for a short while, the vent-way finally cools enough so that outside air feels like the expected normal outside temp, and the AC can be shut back off to vent-only.
Wes
...
