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2002 TRAILBLAZER AC NOT BLOWING COLD AIR - 2002 Chevrolet TrailBlazer

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

jagjeffery
  • 316 Answers

SOURCE: 2004 Chevy Silverado AC is blowing warm air on passenger side.

You have dual zones that are controlled by temperature actuators the passenger side has lost its memory or has gone bad you can put it in self programming by disconnecting the battery for ten minutes then hook it back up start the truck turn the temperature control on but do not touch any other controls let it go thru the self programming for about 6 to 7 minutes then select your temperature you want if it still does not work properly you may have a bad actuator or a bad connection at the actuator

Posted on Jun 03, 2009

  • 713 Answers

SOURCE: Drivers side AC will blow hot air.

the blend motor on the vehicle is probably bad

Posted on Aug 20, 2009

longbow243
  • 103 Answers

SOURCE: 2004 chevrolet suburban AC blows hot/cold at same time

You need to replace the drivers side temp actuator that is located on the left side of the HVAC box. It is retained by 3 screws and is fairly easy to replace.

Posted on Aug 29, 2009

  • 170 Answers

SOURCE: hot air blowing on drivers side when ac is on and

IT IS A BAD CLUSTER ON DASH I JUST REPLACED ONE 188 DOLLARS AND 40 MIN OF LABOR

Posted on Jun 28, 2010

cool78259
  • 228 Answers

SOURCE: The AC on my 2002

If the freon is full and the compressor clutch is working,is the blower working, need more details, if it is, you could have a blocked orifice filter. or a bad high pressure switch located at the rear of the compressor.if the high pressure switch loses voltage or goes out, your cool air will come to a dead halt. check the high pressure switch for voltage. good luck!

Posted on Aug 08, 2011

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Ac trouble shooting for a 2002 olds intrigue I have a 02 olds intrigue 3.5 LTE engine My ac compressor constantly runs it has pressure in line but not blowing cold air and help would be appreciated


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Jul 21, 2016 | 2002 Oldsmobile Intrigue

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My 2002 TB a/c works for 20 min. Then does not. Checked , no leaks, clutch turns, condenser clicks until blowing hot air, replaced low pressure switch


Something to check because this has happened to me.....Make sure you have enough coolant in the radiator/overflow tank. IF the engine is running hot, the thermal switch on the AC compressor will turn it off to protect the compressor from overheating and damaging it. Don't go by the guage in the dash, it's usless. Hook up a scan tool and get the exact temp. Shouldn't be over 210 which is normal operating temp.

Aug 05, 2015 | 2002 Chevrolet TrailBlazer

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AC issues


The problem is either an actuator or the door associated with it. Sometimes the gear strips, especially when the system goes thru a recalibrate after power has been removed and reapplied. Below is a diagram of the locations of the actuators.



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Sep 07, 2012 | 2002 Chevrolet TrailBlazer

2 Answers

My 2002 Trailblazer is blowing cold air when I want heat.


well it could be several problems. first could be a bad thermostat that is stuck open or a possibly your heater core is plugged. also could be the switch that changes it from cold to hot. hope this helps but if your not mechanically inclined take to a shop

Dec 28, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

My inside temp led didplay always shows 50 degrees for my 2002 trailblazer so the Ac won't blow really cold air


If you mean the temperature display on the rearview mirror, you need to replace the outside temperature sensor. It is located under the hood, on the radiator support on the top near center.

Jun 15, 2010 | 2002 Chevrolet TrailBlazer

1 Answer

Have a 2002 Chevrolet Trailblazer that the air conditioning will blow cold on long trips but stops blowing cold air in stop/start traffic? A clicking sound is heard coming from under the dash when it...


It sounds like you maybe low on freon and your a\c compressor is kicking in and out at lower RPM's because of low pressure,then you build enough pressure to keep it running at higher RPM's.

Sep 26, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

My ac only works part of the time


u have a temp door accuator motor shorting out

Jun 30, 2009 | 2002 Chrysler Sebring

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Trailblazer A/C clutch blows hot !


If it is cycling then its low on freon .. Try to put in one can and this will take care of your problem.. The cycling is due to being low .. The clutch is operated by a pressure switch .. when the clutch kicks in it pressures up but not enough freon will kick it back off and starts over again ... Thanks Jerry

Apr 20, 2009 | 2002 Chevrolet TrailBlazer

1 Answer

No ac


The ambient air temperature sensor is bad or has a connection/wiring problem. It is not blowing cold air because it thinks the outside air is less then 35degrees. When the computer sees outside air less than 35 it disables AC so that ice will not form inside the vehicle and in HVAC system. The sensor is directly behind the front grill. You might be able to check it for connection/corrosion/frayed or damaged wires. If no evidence of this I would replace it.

Aug 13, 2008 | 2002 Chevrolet TrailBlazer

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