I RECKON YOU MEAN, YOU GET COLD AIR WHEN YOU ARE SUPPOSEDLY DIALED INTO HEAT MODE

IMMA GONNA HIT YOU WITH A FEW THINGS TO LOOK AT

1ST---DO THE HEATER HOSES GET HOT AT THE FIREWALL BEFORE THE GO INTO THE HEATER CORE, WHEN THE TRUCK IS AT OPERATING TEMPERATURE?

NEXT I'M GONNA THROW A VIDEO ON YOU---THIS VIDEO IS REALLY AN ADVERTISEMENT FOR A REPAIR "DEALEE"----I WANT YOU TO PAY ATTENTION TO DOORS AND MOTORS AND ACTUATORS ETC.

http://www.youtube.com/watch?v=osu0fGrIw3k

IT COULD BE THAT A DOOR IS NOT OPERATING CORRECTLY--STUCK/ A FUSE/ BAD MOTOR/ BAD SWITCH/ ETC. THAT MAY BE CAUSING IT.

JUST TO KEEP YOU GOING FOR A WHILE, CHANGING MY SEARCH WORDS MAY GET YOU MORE AND BETTER HITS....TRY SOME OF THESE...EXPLORER...HVAC...BLEND DOORS...HEATER...ACTUATOR...AIR CONDITIONER...ETC

LET ME KNOW HOW YOU ARE COMING ALONG

THE MEDIC

Answered by CJ MEDEVAC (expert)
6,803 answers provided