When I turn my a/c to vents or floor,it defaults to my defrost.When I turn it to max a/c it goes to the floor & defrost.When I turn the temp switch to heat,and put the dial to the floor,it comes thru my vents and floor.But when I put it to vents,it goes to defrost.I've tried everything I can.I've found no leak,all seros are working,but not going to my desired location.HELP !!!!!!!!!!!!!!1
my a/c and heat will not go to the desired location when turning the dial. on 1998 Dodge Ram 1500
by captkirk in Livonia, MI on August 21, 2010
ANSWER by dandd on August 21, 2010
It sounds like you have a blend door problem in your Climate Control System. This will need to be inspected by a good Climate Control Diagnostic person. here is an article that we at RepairPal.com have constructed to help you with this process. http://repairpal.com/air-conditioning-diagnosis here are some shops: http://repairpal.com/directory?address=48152&car_brand_names=Dodge
ANSWER by timbass on December 05, 2010
the air duct system is run by a vaccum pump under the dash.the plastic cam on the arm is possibly broke. i have metal tape holding that together for a couple of years now.