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
Hi,
I have taken apart some heater boxes, and found that sometimes (like in this case) the hot water goes through the heater core all the time, and you adjust the 'hot - cooler' control to swing a damper from fully open to just the cold air from the cooling coil, or to all the air going through the hot water coil, or something in between.
I have found that a ball valve inline with the heater core water lines is handy to keep the air cooler coming out of the A/C vents! The 'insulation' between the hot water coil and cool airstream is only about 1/8" thick plastic door!
Fred.
I have taken apart some heater boxes, and found that sometimes (like in this case) the hot water goes through the heater core all the time, and you adjust the 'hot - cooler' control to swing a damper from fully open to just the cold air from the cooling coil, or to all the air going through the hot water coil, or something in between.
I have found that a ball valve inline with the heater core water lines is handy to keep the air cooler coming out of the A/C vents! The 'insulation' between the hot water coil and cool airstream is only about 1/8" thick plastic door!
Fred.
