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Why on a 1999 Chevy astro van not switch from defrost to heater or to air?
Check for a vacuum leak either under the hood or under the dash Check the operation of the vacuum actuated motors under the dash Check the operation of the selector switch Defrost is the default position for this system
Why does 2001 dodge van heater not switch form defrost?
Check for a vacuum leak either under dash or under the hood Check the operation of the vacuum actuated motors under dash Check the selector switch
Why is does the defrost on your Dodge Ram 2500 work but not the heater vents?
Check for a vacuum leak either under the hood or under the dash Check the operation of the vacuum actuated motors under the dash Check the operation of the selector switch Defrost is the default setting for this system
2001 ford ranger air conditioning will only come out of the defrost Is the switch bad for the vent control can you make the vent open manuelly?
Check for a vacuum leak either under hood or under dash Check the operation of the vacuum controlled motors under dash Check the operation of the selector switch Defrost is the default position for this system
Why won't air come through the vents?
Does air come out at defrost vents? Defrost is the default position. Check for a vacuum leak either under the hood or under the dash Check the operation of the vacuum actuated motors under the dash Check the operation of the selector switch
Why won't your 2003 Jeep Wrangler Sport's AC blower not change from defrost no matter what you have it on?
Check for a vacuum leak either under hood or under dash Check the operation of the vacuum actuators under dash Check the operation of the selector switch Defrost is the default settting for this system
Air vent stuck on defrost in 1997 Oldsmobile Cutlass Supreme?
Check for a vacuum leak either under the hood or under dash Check the operation of the vacuum actuated motors under the dash Check the operation of the selector switch in dash Defrost is the default position for this system
AC fan is blowing cold air out of windshield defrost when not on defrost?
does fan door motorized or on a vaccuum line when you switch from AC to defrost?
Where is rear defrost switch on 1998 navigator?
On the dash below the headlight switch
Your heat works fine but defrost won't 2004 Chrysler pacifica?
Check for a broken or disconnected duct Check the operation of the vacuum actuated motors under dash Check the operation of the selector switch
Air conditioner switches to defrost while driving?
Check the following items......... 1. Vacuum leak/leaks. 2. Switch. 3. Controller.
What is wrong when you cut the ac switch on and it only blows on the floor and the defrost but no air is circulating through the front vents no matter what setting you turn the switch to.00' cavalier?
Check for vacuum leak either under hood or under dash Check for bad vacuum actuator under dash Check for bad selector switch in dash
