Question about Chevrolet Cavalier

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2002 cavalier ac runs cold for a period then runs hot air out that go back and forth never staying cold

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That is because the pressure in the AC system is either getting too high or too low and the pressure switch cuts it off till the pressure drops to a normal. During that time, the air gets hot and then the switch comes back closed, the compressor comes on and the process starts over. You need a manifold pressure gage set to diagnose.

Posted on Jul 18, 2017

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Posted on Jan 02, 2017

  • 72 Answers

SOURCE: grand prix 3800 blowing only hot air please help

check the temp control switch in the dash

Posted on Jun 22, 2009

  • 36 Answers

SOURCE: 2001 dodge ram 1500 ac is blowing hot air instead of cold

Your A/C sounds like it needs to be vacuumed
out and then recharged to factory specs. That
should solve the problem.

Posted on Jun 30, 2009

  • 634 Answers

SOURCE: Troubleshooting my blender value in my Dodge Ram

sounds like u guessed right blender door is getting stuck motor is weak or mount is cracked

Posted on Jul 07, 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

  • 1 Answer

SOURCE: 2002 ML320 - The ac is not blowing cold air

I just had the same prob. Your air blend door actuator has probably gone bad. Take off the glove box and look 4 a little black plastic box(oddly shaped)with white plastic arms connected to it. Turn the knob from heat to cold. If those arms dont move thats your problem. Or when u turn the knob, u hear a clickig noise inside the dash, thats also the air door actuator.

Posted on Dec 15, 2009

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Could be other issues, but I would start with these.

Good luck

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