Question about 1998 Chevrolet Lumina

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The a/c of my 1998 chevy lumina dose not blow cold air but hot, ive tried putting freeon but it still blows hot air. theres no leakage. what should i do?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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greg_margo
  • 1959 Answers

SOURCE: Vacuum leak to AC controls 2000 Chevy Lumina

Check the vacuum lines, starting at the firewall in front of the passenger side and trace backward.

Posted on Jun 19, 2009

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  • 3 Answers

SOURCE: blowing cold air

I had the same problem that I just fix by flushing the heater core out with a hose.   take the two hoses off the fire wall and put the water to it and let flush.  my heater is putting out 150 dg. F  of hot air.   I'm so excited!  i will stay warm now.

Posted on Feb 27, 2009

  • 272 Answers

SOURCE: 1999 Chevy Cavalier A/C blows hot air

More likely the recharge blew a o-ring and you have a leak. When your Cavalier was blowing hot air and a recharge fixed it that means it was low on freon which lets o-rings dry out, go back to the shop and have them leak test it. They use a pressurized dye to find the problem. If it's blowing it's not the cooling fan relay, they may have meant compressor relay but I'd have a leak test done first it's not expensive and easier that chasing unknown possibilities.

Posted on Jun 03, 2009

jagjeffery
  • 318 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

  • 117 Answers

SOURCE: the ac blows air but its not cold.

There are many common issues with the ac there is a thermostatic switch (thermistor) that goes bad it keeps the evaporator from freezing up and will interrupt compressor relay power. there is another common probwith the triple switch located on the reciever dryer. there are other problems but them are common there is also a tsb about charge capacity.

Posted on Jun 27, 2009

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1995 wind star min van blowe cool in rear and hot air in front plenty freeon fues are good


I would check the blend door actuator. If the door is open all the way, one direction, the air blows over the heater core. All the way in the other direction, the air blows over the evaporator. Anywhere in between, a blend of hot and cold for temp control. That explanation is a little simplistic. the info is for ford windstar.
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Passenger side blows cold air--what part could it be


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On my wifes 03' Yukon the rear air conditioning blows hot air no .... Pull the panel off and look at the hot/cold actuator shown in the picture.

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1 Answer

Heater not blowing hot air


Flush out heater hoses.Could get clogged up after a while.If you don't use coolent in the cooling system.

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ac not kicking on check freeon

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1998 chevy tahoe rear a/c blows hot while front a/c blows cold


There is a rear condenser in the back on the right it's bad

Jul 22, 2012 | 1998 Chevrolet Tahoe

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I have a 2002 impala and my A/C keeps blowing hot air. When I put in freeon, it works for a while then the next day, hot again.


theres probably a leak in your lines or compressor. to check, lift your car, put in a new can and check to see if you hear or see any leaks in the lines or compressor

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My 2001 chevy cavalier was serviced last year for over heating and the a/c unit not blowing cool air. It has a new radiator but the fan has stopped turning and the a/c blows hot only. Ive tried re-charging...


might just be a bad engine coolant temp sensor , it tells car computer engine temperature and computer controls fans , as for recharging a/c , did you pull system under vacuum ? to check for leaks ? vacuum also helps remove air to get a better charge because air expands

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