Question about 1997 GMC Safari

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When I turn on the heat it blows out cold air why is that when the blower is working in the back

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The heater control valve may not be opening. The blend door maybe stuck. Make sure its full of water

Posted on Dec 10, 2009

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I have a 2002 town and country Chrysler I turn on the a/c but in the front it wont blow cold or hot air but in the back were I seat my kids throughs cold air in the back


Your van apparently has dual heat and air and it sounds as if your rear unit is working and your front is not. Will the front blow at any speed? or is it completely dead? If it will only operate on a medium setting you should have your blower resistor changed out, but if it does not operate at all, check for voltage at the blower motor plug in. If you have power but the motor is not running then have the blower motor changed.

Apr 22, 2016 | Chrysler Cars & Trucks

1 Answer

I have a 2005Chrysler minivan front heat does not blow back heat blows cold cold air front doesn't blow at all what could this be


If the front heater does not blow any air suspect a defective fan motor or resistor. You can try turning the blower on and banging the underside of the passenger dash to see if it begins working again. If it does, suspect a bad fan motor. If blowing only cold air, the most common problem is a low coolant level

Jan 05, 2016 | Cars & Trucks

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Suzuki x4 2009 fan does not spin but when I turn air on it blows cold air.


Not sure which fan you mean. Engine cooling fan is different from heat/air blower fan.

Feb 04, 2015 | Suzuki Cars & Trucks

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1995 Jetta. No Heat. Blower works fine. Where do I start?


Air blender door, move the dial from hot to cold back to hot several times. Or possible plugged heater core.

Jan 17, 2014 | 1995 Volkswagen Jetta

1 Answer

Blower working no heat coming out


Check the voltage coming to blower resistor with ohmmeter for continuity!

Jan 03, 2014 | 2003 Ford Windstar

1 Answer

No heat / heater not working


not blowing air or when switch is on blows cold air when you have climate control knob turned over to heat? it could be a switch or blower motor or fuse if its not blowing any air. if its blows cold air when knob is on heat then is can be thermostat or low on coolant or it could be climate control module or it could be a air filter in dash.

Apr 05, 2013 | 1993 Mazda Protege

1 Answer

2004 CHEVY SUBURBAN FRONT A/C WORKS BUT THE REAR DOESN'T TURN ON


There is a blower motor control processor for the back blower - it takes input from the front control and the rear control and decides the fan speed. That processor could be faulty, or the blower motor, or a 30amp fuse in the engine compartment.
In the front system you have a controller and blend doors that direct air thru the heater core and evaporator. You would need to check the operation of those blend doors.

Aug 17, 2012 | 2004 Chevrolet Suburban

1 Answer

Heater doesnt work


To troubleshoot this types of problem,click the link below :---
Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html

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Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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No heat on car? http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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Heater blows intermittently and temp gauge goes erratic?

http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html

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Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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Heater/AC blower motor not working?

http://technoanswers.blogspot.in/2012/02/heaterac-blower-motor-not-working-on.html

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A/C, heater, defroster fan, not working? http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html Heater problem?

http://technoanswers.blogspot.in/2012/02/heater-problem-on-isuzu-trooper.html

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This will help.Thanks.

Mar 27, 2012 | 1994 Volvo 960

1 Answer

Blower on heat/a not working


So it works with a/c but doesn/t work with heat. Is that what your saying?
Or it blows cold air on heat selection?

If it blows but only blows cold air on heat selection
check out the following items:
temperature selector switch
blend door actuator and motor.



Here are a list of items to check out or have a shop inspect if it doesn't blow anything at all.
a) on/off switch
b) relay
c wiring
d) resistors
e) blower motor

May 11, 2010 | 2004 Chevrolet Colorado

2 Answers

No air blowing out of air vents on a saturn L300 no heat or cold


1999 saturn the ac is no longer blowing air at all no heat no cold air you can hear it turn on but nothing. What do I need to look for?

May 08, 2009 | Saturn L300 Cars & Trucks

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