Question about 2003 Dodge Stratus

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My AC suddenly stop working, I was driving and the AC was running but as I said it just start blowing warm air

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Your A/C system may have lost its charge of refrigerant, or the compressor may not be engaging when you turn on the A/C, or the blend air door inside the HVAC unit may be stuck in the HEAT position so no air goes through the A/C evaporator.
Start with the compressor. Does it engage when you turn on the A/C?
If so, the compressor is working and the A/C system probably contains enough refrigerant to make cold air, so the problem is inside the HVAC unit. Replace the motor that controls the blend air door (this is a difficult job and best left to a professional since it involves tearing apart the HVAC unit -- about an 8 to 10 hour job!).
If the compressor does not engage when you turn on the A/C, see if it will run by jumping the compressor clutch wire directly to the battery (use a fused jumper wire). If the compressor works when you jump it, and the A/C blows cold air, the system contains refrigerant and the fault is likely a bad A/C compressor clutch relay or a bad clutch cycling switch or pressure switch .
If the compressor does not engage when you jump it, the problem is a bad compressor clutch.
If the clutch engages but the compressor does not turn (the belt will start to slip and squeal), the compressor is loced up and you need a new compressor.
If the compressor clutch engages and turns the compressor, but the A/C still does not blow cold air, the system is probably low on refrigerant and needs to be recharged. If you Have an A/C gauge set, hook it up and see if the system has any pressure.
If it is out of refrigerant or is low, check for leaks, then have the A/C system vacuum purged to remove air. After the air is out, it can be recharged with the specified amount of refrigerant. It is important to get any air out as this will reduce cooling efficiency and may make the compressor noisy.
My advice to you if you know nothing about A/C service is to find a repair shop that specializes in A/C repairs and let them fix your cooling problem for you. Today's A/C systems with automatic climate control are very complex and reuire special tools and know-how to diagnose and repair.

Posted on Jun 03, 2010

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Its the expansion valve...u need 1 of those!

Posted on Sep 09, 2010

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Posted on Jan 02, 2017

mrhappyface
  • 205 Answers

SOURCE: AC stops running when engine warms up

most likely low on freon

Posted on May 30, 2009

fwadley
  • 482 Answers

SOURCE: airconditioner suddenly stopped blowing cold air while I was driving--blows warm air now

you can get a recharge kit at Auto Zone, the car has to be runnung to fill it. . This is the first thing I would do, to see if it's out of freeon first.

Ask the Auto zone man to come out side and help you refill it. They will help if you ask.

Posted on Nov 06, 2008

chromapr
  • 267 Answers

SOURCE: While running down the street the ac works great.

two things are possible here. is the a/c fan working or not. this would mean you are not getting the cooling while setting still but are while moving. also you could be low on freon charge and this will happen. if this helps please reply and good luck

Posted on May 05, 2010

Elradiuzi
  • 127 Answers

SOURCE: 2001 Chevy Tahoe AC stopped working

There is a possibility that the A/C compressor clutch burned up or got disconnected. Try investigating the wiring for the clutch.

Posted on Jun 29, 2010

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