Question about 2004 Saturn VUE

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2004 Saturn VUE A/C weak at low rpm

My Saturn's A/C is cold at 2000 rpm or higher but it blows warm air between 0-2000 rpm. I have checked the pressure on the low side and it is fine so I assume I am not low on refrigerant.
Pressure and refrigerant good so what could the problem be?

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This is your...man what was that called...it is next to your fire wall..it regulates the high and low side.. any way it is costly and it is a ***** to get to. sorry may have to rev the engine for a while..

Orifice Tube that is what it is called.. man thought i would never forget that.

Posted on Sep 27, 2009

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Saturn vue ac


How do you check an orifice? Oh the high pressure side it will be warm to hot to the touch. The cold low pressure side will be much colder 45-50 degrees. if there is little difference and the charge is good the orifice could be plugged.

Aug 22, 2014 | 2006 Saturn Vue

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Air conditionn blows out air but not cold air..do not hear compressor at all


Have the system charge checked, it is very likely low, if it is you have a leak.

May 25, 2012 | 2004 Saturn VUE

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I have a 2004 Trailblazer and my rear a/c starts out blowing cold air but gets warm shortly after but the front a/c keeps blowing cold air all the time???? what could cause that ????


Just a little low on freon can make it get too cold and it freezs if you in position to check the freon level you'll find with the system on high and the engine reved up the low pressure is below 25PSI. fill it to reved up is above 25 and your problem will go away. Low on freon will make it cold enough to frezze up and then warm up as the air does'nt go though the ice. it'll work good as you start up till it frezzes and after it's stopped up with ice it blows warm (it's really too cold). the more freon in the system the warmer it'll all blow because all the pressures are higher and it's the difference in pressures that make it cold.

Aug 24, 2011 | 2004 Chevrolet TrailBlazer

2 Answers

Same Problem, warm air at low RPM's 2006 Saturn Vue


I agree with philip, i have not studied the electrical system. but to my best guess the electric fans are tied into the engine cooling system. when the engine is not requesting the fans to come on. then their is very little air passing threw the cooling package. When their is no cool air passing by the condenser this will not draw the heat out of the refrigerant leaving excess heat in the system and when the cab fan blows this is were the excess heat is getting dumped. then at higher speeds their is enough air passing threw the condenser and radiator to cool them both.

Jul 06, 2009 | 2004 Saturn VUE

1 Answer

AC blow out hot at low rpm


when you are stoped does the car idle fine. when the rpms are low the compressor does not get the pressure up high enough. you may need to get you idel turned up a little or your vaccume advance may have a vaccume leak.

Jun 24, 2009 | 2004 Saturn VUE

1 Answer

Saturn Vue 2002 3.0 L V6 blows only cold air


Have the cooling system flushed- sounds like a clogged or faulty heater core. Can also be blown out with compressed air from the firewall hoses.i fixed mine like this- Make sure it is cool b4 removing hoses

Jan 19, 2009 | 2002 Saturn VUE

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