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Hello, Replaced the A/C compressor, expansion valve and dryer. Flushed entire system, vacuumed the air out and filled with oil and 45 bmi of refrigerant. Car blows cold when driving, but warms up at idle or stop. I hit the accelerator to bring up the RPM for a min, then the fan kicked on and started blowing cold again. What do you think I should look into? Im thinking some kind of sensor that turns the fan on to send air to the condenser. Oh it is a 2002 VW Beetle. Thank you, Jesse

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: I have replaced compressor, condenser,

Replace the receiver dryer, evac the system & hold a vacuum for 30 minutes and recharge.

Posted on Sep 09, 2008

  • 127 Answers

SOURCE: 2000 VW Beetle 2.0L the air conditioner was

at idle most a/c get warmer as they are not under load to circulate the freon at a rapid pace
changing the dryer is wasting your money won't change anything sounds to me as if there might be a vapour lock in the system. run the car for a week with a/c on max to fully circulate freon to see if the problem goes away if not go back to the shot tell them to check system with gauges on the high and low side to make sure that it infact is properly charged with the right amount and temp.
42-54 degrees is good

Posted on Jun 30, 2009

Hrnsly
  • 154 Answers

SOURCE: Ac is not blowing like it should

This sounds like an issue with the blend doors or the A/C control head. Check out the blend door motor to see if it is properly shutting the doors off to the engine compartment. The reason the passenger side is cooler is because it is located next to the evaporator, so the cool air has a shorter distance to travel into the car. The A/C control head is a big problem with RX-8's. Hope this helps.

Posted on Aug 01, 2009

Rickygittins
  • 715 Answers

SOURCE: when idling my ac blows

I would get a set of gauges and this site will help with the problem.
http://www.denlorstools.com/autoblog/2009/04/adding-freon-to-car-ac-gauge-readings-explained/

Posted on Aug 03, 2011

murf427
  • 336 Answers

SOURCE: 2000 mazda 626 wont blow cold air i have replaced compressor dryer and flushed the system and reinstalled new freon any ideas

There is a valve that stops hot coolant from entering the heater box. It is probably stuck open. murf427

Posted on Aug 30, 2012

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There is a valve that stops hot coolant from entering the heater box. It is probably stuck open. murf427

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