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It blows but it doesn't blow cold air. The compressor engages according to the test.

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I think he lost refrigerant and it must be recharged.

Posted on Apr 04, 2011

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1 Answer

99 s40 volvo air con fully replaced but still not blowing cold air


Your compressor may not be engaging, could be activation switch, a relay or the compressor itself if you do not hear it engage when activating A/C.

Dec 22, 2013 | Cars & Trucks

1 Answer

Ac vent blower


proceed according and fix it. God bless you
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 locked 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

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Oct 05, 2012 | 2001 Oldsmobile Aurora

1 Answer

My air conditioner is blowing warm air on the driver side and cold on the passenger side


see this steps and think with clearly and logically NOT feared. God bless you
checkmark.gif 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 locked 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.

7_25_2012_8_45_21_am.jpg

Jul 24, 2012 | 2007 GMC Sierra Classic

1 Answer

Problem with heating and air conditioning. The driver's side is blowing hot air and the passenger side is blowing cold air


Air Conditioner blows warm air
  1. Air conditioner system is discharged. Have the system evacuated, charged and leak tested by an MVAC certified technician, utilizing approved recovery/recycling equipment. Repair as necessary.
  2. Air conditioner compressor clutch not engaging. Check compressor clutch wiring, electrical connections and compressor clutch, and repair or replace as necessary.

Jun 01, 2011 | 2004 Buick Century

1 Answer

1993 accord ex ac not blowing cold replaced compressor last year freon level ok unit not engaging is there an easy fix?


With the engine turned off, test the a/c compressor clutch by applying 12 volts to the contacts. You should hear a click of the clutch engaging, and if not, the clutch is acting erratically.

Aug 21, 2010 | 1993 Honda Accord

1 Answer

A/C is Not blowing cold air


Even though the Compressor is engaging it doesn't mean the Compressor is working internally. I would have the Compressor tested to determine if it is working properly.

Jun 05, 2010 | 2005 Mitsubishi Outlander

1 Answer

Oil leak on aircon compressor and does not blow cold air. have refilled gas twice and blows cold for one day and warm the next day.also compressor does not engage


if oil is leaking on the compressor you may have a valve cover gasket leak have that replaced and that will stop your leak problem.your compressor has a leak in it also thtas why its not engaging. you should have it dye tested in order to find out what really is leaking in the system.

Dec 11, 2009 | Toyota Camry Cars & Trucks

1 Answer

2003 accord air conditioner


Hi there. When a compressor is replaced, two things are in fact being replaced - both the compressor and the refrigerant (Freon) and if the problem is resolved as a result which of those two replaced elements caused the original problem? Well you will never know and so before the compressor is replaced you need to have you’re A/C system recharged – it’s by far the most cost effective initial thing to do. In general A/C systems loose at least 10% of their effectiveness each year through loss of refrigerant and so given the age of your car; it’s the first thing to focus on. A professional A/C centre will also be able to tell you whether your compressor is working properly after having a refrigerant recharge by the monitoring the operating pressures in the A/C system.

Jun 01, 2009 | 2006 Honda Accord

1 Answer

AC doesn't blow cold air on 95 4 runner. Can I check compressor


Well, for one with the truck idling, the RPMs should increase every time that the clutch on the compressor engages. You should be able to see it engage and disengage and the RPMs will change accordingly. If this isn't happening then you need to determine why. Have the A/C blower on low when doing this.

May 29, 2009 | 1995 Toyota 4Runner

1 Answer

Ac not blowing cold air.


Sounds like the compressor has failed.

Apr 19, 2009 | 1997 Mercury Mountaineer

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