Have Floor Heat But No Defrost

Posted by reno518 on mar 10 2014.

Have floor heat but no defrost.

Clicking this will make more experts see the question and we will remind you when it gets answered. I have heat but no defrost or floor. All the comes out the vents. I only have air at the vents no defrost or heat at floor.

Check to make sure your defrost fuse isn t blown. When you rotate the switch from the floor to defrost the air stops blowing on the floor and you can hear a vent door opening closing but still none on defrost either. Which is great in the summer but in winter not good in north dakota. When mode door 1 is set to divert air away from the vents and into the second stage of the system door 2 chooses whether air goes to the defrost vents to the windshield or out through the floor vents in the passenger and driver s side footwells.

2002 cadillac escalade escalade ext. You can also go to any local auto store like autozone advanced auto and they should be able to do a free cooling system test for you. Share this page ad. Floor heat works but vent and defrost do not no air blowing through defrost you can feel heat but no air blowing it out.

2000 silverado 5 3 4x4 my hvac actuator mode valve does not work. Loss of hvac system mode and or temperature control replace hvac control module 04 01 39 007 06 17 2004 models. I have a simular problem my heat only comes out of the defrost or the middle vents not the floor. If you have air flowing only through the vents with no defrost or floor this door is failing.

Have no defrost or floor heat 2002 jeep grand cherokee. But do not let them people work on your car or touch anything else being alot of them have no clue about cars especially not a turbocharged vehicle.