Question about 2003 Chevrolet Monte Carlo

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2003 monte carlo heater/ac controls not working won't shut the ac off and turn on the heat. blower motor doesn't come on and it won't turn on the rear defrost

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I have a 2005 montey carlo and the heat comes on and goes off intermittienly i have replaced the blowermotor and resistor and climax control in car, what am i missing

Posted on Nov 08, 2012

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My heater in car 2003 chev monto carlo v6 is not getting hot?

Posted on Feb 12, 2011

  • v compos Apr 03, 2011

    will mantion fews part to be check out, first it is the blower workin? if yes then your cars heater core is cloged, and also there it is the ambient control ,heat sensor,blower motor resistor this one cntrols the fan speed, let me know if this help out, good luck,

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Posted on Jan 02, 2017

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2003 monte carlo ss the right side blow cold even if you have it on warm the left work


check the actuator motor on the heater it opens and closes the doors for the heater and ac.

May 04, 2017 | 2003 Chevrolet Monte Carlo

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I have a 2003 Monte Carlo SS. The dual climate control doesn't seem to work properly. With AC going, passenger side blows cold air but the drivers side blows warm air as if it is set for "vent". I replaced...


check the actuator motor and make sure it is moving the doors between the heater and the ac. it is in the center of the heater inside the car and is a small motor attached to the heater housing.

Jun 06, 2014 | 2003 Chevrolet Monte Carlo

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Blower motor won't shut off on a 2005 chevy monte carlo


Your post is not making sense. If the blower motor wasn't shutting off, how would replacing it cause anything to change? Clearly, there is a problem with the power supply TO the motor. If you want the motor to turn off, you need to check WHY the power to the motor is not cut off when the switch is turned to the off position. Probably a bad switch. Or it could be the blower motor resistor even, albeit a lot less likely.

Feb 24, 2013 | 2005 Chevrolet Monte Carlo

2 Answers

A/C blower and selector doesn't work, overhead console doesn't work


Sounds like this may be the actual control head that went bad, unfortunately there is no way to test for this other than to replace the control head, if the blower motor relay is good, and all the fuses are good, then that would probably be the most likely problem... hope this helps

Sep 08, 2012 | Cars & Trucks

1 Answer

2003 monte carlo AC on off button does not work


I have provided a possible solution for this.

Jun 20, 2012 | 2003 Chevrolet Monte Carlo

1 Answer

2004 Monte Carlo Heat/AC doesn't work properly.


THE SMALL RESISTOR MOUNTED ON THE SIDE OF THE BLOWER MOTOR UNDER THE DASH.IF THAT FAILS THEN YOU HAVE A BAD CONNECTION AT THE BLOWER MOTOR PLUG.

Jun 11, 2012 | 2004 Chevrolet Monte Carlo

1 Answer

WHERE IS AC HEATER CONTROL SWITCH ON 2002 MONTE CARLO


The switch is the thing on the dash with the knobs about 220 dollars. The switch(resistor) that controls the fan speed is under the dash on the far right under by the fan 20 dollars. I would check that power is getting to the fan or unplug and run jumper wires to the fan if it doesn't turn on the fan is bad 40 dollars. There is a blower motor relay under the hood in the black box by the battery or on the passenger side looking in the top it will tell you what relay and fuse is for what circuit. Sometimes they put a spare in there marked spare if not use an identical one from another circuit 14 dollars. If this helps please rate it thanks

Dec 29, 2011 | 2002 Chevrolet Monte Carlo

1 Answer

2000 Monte Carlo blinkers work some time have to tap /hit dash board by hazard switch to make them work. Control switch on heater blower not working light out. I have to put the fuse in on passenger side...


For the blinkers you need to replace the hazard switch.This will take care of your problem.For the blower,if this is what you mean by heater won`t shut off.You need to replace the blower motor resistor.This will fix your blower not shutting off.The light for the knob you will have to remove the control panel and replace the bulb if it is replacable.Some of these models you have to replace the control panel to get the lights to work.I hope this helps Heidi and let me know if you need anymore help.Good luck.

Sep 10, 2010 | 2000 Chevrolet Monte Carlo

1 Answer

2001 monte carlo blower motor stops working with heat or ac


Check all fuses using a test light. If good, turn on fan and check for power at the blower motor connector. There all the wires there as each one is for different speed. If good, blower might be bad. If no power, check switch itself for continuity. Keep me informed.

Jun 13, 2009 | 2001 Chevrolet Monte Carlo

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