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A/c blows warm air only. Equal H/L Pressure - Passat Volkswagen Cars & Trucks

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If the ac gauges are reading equal value,the expansion valve is stuck open.Or the compressor is bad.If you rev,the rpm`s up,does the low side pull down lower?If so,the expansion valve needs to be replaced.Be sure of this,also,if you have to replace the compressor,then the expansion valve,and the receiver dryer will also have to be changed along with the ac compressor.That`s if the compressor is bad.Now if the low side does not pull down when rpm`s are increased,then the compressor will hacve to be replaced,I hope this help you.

Posted on Oct 07, 2009

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SOURCE: 98 Chev pickup air cond problem

1. Have the refridgerant fluid level checked. (Could be low)

2. Have you tried putting it on recirculate? Could be a venting issue.

Other than that it's out of my league.

Posted on Jul 08, 2008

roniecon
  • 6826 Answers

SOURCE: ac blow warm air

need to have a set of gauges on it and read the low side and high side to see if pump is weak that year compressor i think is on the bottom passenger side ,it is not a good desigh pump may be weak

Posted on Jun 30, 2009

csmock132
  • 4669 Answers

SOURCE: 94 civic 1.5 air condition won't blow cold,

Cooling fan running on the radiator? How much freon did you put back in the system? Do you have a set of pressure gauges?

Posted on May 17, 2010

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