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My 2002 Buick rendezvous a/c recently started blowing hot air and now whenever I cut it on it makes a clicking noise and blows hot air from the vents what is this?

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  • Cars & Trucks Master
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The compressor is probably not running. Why depends on if the system is full of freon or not.

Posted on Jul 17, 2013

  • Chandra Jul 17, 2013

    If it's empty and I add freon will that help...someone says it's a pump another said it's the clutch I'm confused

  •  Stephen
    Stephen Jul 18, 2013

    Well working on the ac system is usually beyond the scope of the DIY person. It takes tools and knowledge most people don't have. Freon gas is minus 35 degrees coming out of the can so you can get frostbite if your not careful. The pump is the compressor which is what the ac clutch is driving. And if the system is empty there's a major leak that would need to be found and fixed. AC is a closed system just like your fridge at home. If the system is full of freon you probably have an electrical problem which could be one of several things.

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Posted on Jan 02, 2017

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SOURCE: Air conditioner on 2002 Pontiac blowing hot air, although freon is not low...also makes a clicking noise.

Take it to a garage and have them evacuate the system and refill with refrigerant. you have air and non condensibles in the refrigerant system.

Posted on Jun 02, 2009

  • 5 Answers

SOURCE: Only cold air on passenger side

I would first check and make sure that you have enough Freon in the system, on climate control dual systems only one side will put out cold air if the system is low on Freon. Eventually, both sides will put out warm/hot air if the system continues to loose Freon. As with all leaks the system should be checked and then the leak causing component replaced/repaired.

Posted on Jun 10, 2009

honeymokey
  • 3113 Answers

SOURCE: The Ac is blowing cold air out the driver's side

The actuator motor is bad and needs to be replaced for the right side.

Posted on Jul 02, 2009

  • 169 Answers

SOURCE: my 2002 trailblazer is making a clicking noise in the a/c

more likely a broken door in hvac case.with car running work controls and watch actuaters operate to locate good luck maybee a little challange

Posted on Aug 30, 2009

  • 88 Answers

SOURCE: my 2002 ford explorer wont blow any air out of the vents...

It sounds like blower motor has failed. Motor is located behind glove box on lower part of heater box.

Posted on Dec 26, 2009

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3 Answers

2002 Buick Rendezvous interior clicking noise from inside center console, kills battery if not stopped... Please help


Sounds like one of the heating system electronic actuators is shorted internally ! Easy enough to find out pull the fuses for the HVAC system .There is a fuse box in the center console . pull ING3 /HVAC fuse # 26

Dec 28, 2014 | 2002 Buick Rendezvous

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2002 Buick Rendezvous no heat and over heated after warming it up for over 30 minutes.


Have a pressure test done on your cooling system, you sound like you could have a leak in your system or your system just needs to have the air bled from it. Check your coolant level also, with air in the system and not enough coolant it will blow cold and cause overheating.

Mar 05, 2014 | 2002 Buick Rendezvous

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2002 Buick Rendezvous Driver's Side Climate Control does not blow out heat


Could be a sensor or one of the blend doors under the dash.
You may need a shop manual to get the troubleshooting procedure.

Oct 16, 2012 | 2002 Buick Rendezvous

1 Answer

I have a 2003 Buick Rendezvous. The drivers side blows hot air and the passenger side blows cold air. The car has that dual zone climate control. I have no clue where to start.


The actuator that 'blends' cold with hot is stuck in the cold position. There are a couple of options. Disconnect the battery, then drive the vehicle around without using the AC for 10 min, if the AC is defaulted to come on after a battery interuption, then shut the car down then turn it on again. You are trying to get the electronic actuator to reset and resume proper function. Another option is to try this: Start the car, adjust the pax side full hot, drivers full cold, wait 30 sec then shut car down, then start car back up and reverse the settings, pax full cold, drivers full hot. In both solutions, the vent actuators are stuck at either the full open or full closed, so you are trying to get it to 'self check' and allow them to resume proper function. After two years, I simply removed them altogether since I live where it is hot an only need cold.works just fine....

Nov 10, 2011 | 2003 Buick Rendezvous

1 Answer

2005 Buick Rendezvous. No Air comes out of vents. Thinking this is from a bad fuse or blower motor. Need help in locating what to do next.


It sounds like you have a vacuum leak. When there is no vacuum present to acutate the system, it will default to air only coming from the defrost vents. Is the blower motor operating or is the 'no air' you're talking about just no air blowing? If it's not blowing, check your fuse; if that's good, check for voltage at the blower connection. If you have voltage at the connection, remove the resistor to make sure it isn't bad befor condemning the blower motor.

Jun 24, 2011 | 2005 Buick Rendezvous

1 Answer

Air conditioner on 2002 Pontiac blowing hot air, although freon is not low...also makes a clicking noise.


Take it to a garage and have them evacuate the system and refill with refrigerant. you have air and non condensibles in the refrigerant system.

Jun 02, 2009 | 2002 Pontiac Sunfire

3 Answers

Only cold air on passenger side


I would assume with multiple people having the same problems, there should be a service bulletin on this issue. may want to call dealer with vin # to verify. sounds like a heater control issue under the dash. something i would leave to the experts for repair

Jul 06, 2008 | 2003 Buick Rendezvous

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