Question about 1999 GMC Suburban

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The rear climate control fuse keeps blowing on my 1999 2500 suburban. The front control continues to work fine. Any idea of the potential reason?

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Check behind the drivers side pillar for a pinched wire.

Posted on Oct 09, 2010

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1 Answer

2003 Pontiac Montana heat gets hot in front, blows but seems weak, and no heat on rear controls but blows ******* rear. what is going on?


Is your heater blower motor working on all speeds ? Are you get any air coming from the rear vents ?

Feb 25, 2015 | 2003 Pontiac Montana

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My climate control only blows out cold air but the rear climate control works as it should


Could be the controller or a faulty blend door.
The blend doors direct air thru the heater core and evaporator along with the vents. The controller uses electric motors to change the direction of air flow.

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2001 Suburban: I have a 2001 chevy suburban and the air condition...


if its the computer climate controlled series then it might be the the vents. what happenes some times is the vent wont switch over from hot to cold or vise-versa. i had the same problem but reversed, no heat in front and it worked up to the last time i had switched it from hot to cold.
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I have a 1996 Suburban that keeps blowing fuses on break lights


Check the turn signal flasher,and the trailer wire adapter that plugs in under the rear of the truck.Check the brake light switch,to see if it is grounding out on something.

Jan 03, 2010 | 1996 GMC Suburban

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2003 suburban with rear air, 27K mi, rear ac and heat are fine, but the front air diverter doesnt seem to work. I switch between defrost, face, and floor modes but no changes. I replaced the climate...


If it is a mechanical switch that you turn this system works by vacume it could be the vacume supply hose coming from the intake manifold is either off or broken.

You could also have disconnected it by mistake when you changed the climate control. Good luck

Sep 19, 2009 | 2003 Chevrolet Suburban 1500

1 Answer

Front aircond. blows warm. Rear air is cold


this is caused by a defective temperature control blend door actuator motor. Don't overhcahrge the system, if one part of dual climate works ok the problem is not the compressor or the system charge

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1 Answer

2004 suburban rear a/c only blows hot air


ase mechanic:
there are separate actuators for the blend doors. one for heat and one for cool. they work opposite and in conjuction with each other, if that makes any sense. ones open, ones close, for each different climate. sounds like the the cold one isn't opening in the rear.

Jan 27, 2009 | 2004 Chevrolet Suburban

1 Answer

Heat blowing cold air in 2004 chevrolet suburban


With coolant full and engine hot,make sure both heater hoses are hot. If not replace thermostat. If they are, check the blend door for proper operation. Otherwise you may have a bad climate control module. Check both front & rear units.

Jan 25, 2009 | 2004 Chevrolet Suburban

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