2004 Pontiac Montana "blowing heater defrost vents" Questions

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...heater core to the defrost system? We could not see any way that is possible. Thank you There is a mix damper inside your duct that controls the heat over heater core and ac evaporator that to your ...

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heater works but doesnt blow heat out on defrost it doesnt blow very well and turn it to other settings it does the same thing. If the heater core is good and the blower works, the valve doors may not

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Question about Pontiac Montana

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...blowing through vents turned all vent circulation off and now heater wont blow through vents. AC does but the heater blows through the front defroster area/vent. To troubleshoot this types of ...

...heater is ON? http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html ----------- 1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold? ...

...heater or defroster vents Warm/hot air will only blow through adjustable vents on the front of the dash, will not blow through defrost or floor board vents. However, cold air (from air conditioner) ...

...blowing from heater and defrost insted of front vents? 1999 buick lesabre the a/c stops blowing from the front vents and starts blowing out of the heater and defrost vents? Look inside the glove ...

...heater or defroster vents Warm/hot air will only blow through adjustable vents on the front of the dash, will not blow through defrost or floor board vents. However, cold air (from air conditioner) ...

...heater completely stops blowing as if its been turned to off and doesnt blow through vents! It doesnt even sound like the ac is still on. And when in ac mode and turned to defrost, it shuts off and ...

Question about Pontiac Montana

1 Answer

...heater is ON? http://technoanswers.blogspot.com/2012/01/temperature-gauge-does-not-move-and-no.html ----------- 1992 Toyota Camry: A/C Control light Flashing and A/C not Blowing Cold? ...

...defrost vents The A/C and heater will only blow through the defrost vents. The tempeture works just fine, blows cold air when at 60 degrees and blows hot when set to 90 degrees. I can not change the ...

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