My Dodge ram 1500 on the freeway the AC runs great when I get off the freeway I hear something close and hot air comes out what is going on it does it when the truck is in park the AC runs great but when I drive the truck on city streets it will blow cold air for 2-4 min and same thing something closes ant hot air comes out please help
Suspect fault in blend door actuator an motor controled by temp switch. Closes a door to close off heater core and let all air flow through evaporator. The noise you hear is door so switch maybe at fault or actuator motor. Operate TEMP switch from hot to cold does it respond and change vent temp?
July, 15, 2012 AT 7:38 AM
Ware is the blend door actuator mirror on my 2001 Dodge ram 1500?
July, 15, 2012 AT 7:40 AM
Ware is the blend door actuator mortor on my 2001 Dodge ram
July, 15, 2012 AT 7:05 PM
Bummer is instrument panel needs to come out the HVAC unit