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2005 Ford F-250 Repair Question


Topics covered: Heater, Coolant, Heater hose.
Mileage: 10,040 miles.

Asked on October 23, 2012

Ford F-250 Heater Problem

What makes the heat only blow cold air?
the air only works on low and med not on high but when you change over to heat it only blows cold air not cool but cold as if you didn't change the temp or anything it will change to defrost and everything but still only cold air.

Answer

Replied on October 23, 2012

check fluid level first , then check to see if actuator in heate is stuck or not working. there should be 1 on top pic enclosed

Tiny Answered by hmac300 (expert)
18,726 answers provided
Replied on October 27, 2012

actuator seems to be working when you change the temp it moves like it is supposed to under the hood the back heater hose is not hot i do not know what the shut off valve is supposed to do
please help

Tiny Response from candypaintercarr
1 question asked
Replied on October 27, 2012

the shut off valve stops the flow of coolant to the heater,both hoses hould be hot or about the same temp. check to see why it's not working.

Tiny Answered by hmac300 (expert)
18,726 answers provided