Question about 1994 Nissan Quest

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1994 Nissan Quest Air Conditioner not working

Air conditioner compressor tests good by dealer but even after charging the system, it will not blow cold air. No air is getting into the back at all. Dealer can not resolve problem. Any suggestions?

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  • jrhopp May 25, 2009

    my rear Ac did not work last year and no one could figure it out, now this year my front AC is not working. This is for a 94 Nissan Qwest too. HELP

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Check out Thermostatic Expantion Valve

Posted on Feb 01, 2009

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My air conditioner is not working on my 2005 Nissan quest se. what may be the problem? it was working fine yesterday. there is plenty of antifreeze


anti freeze has nothing to do with air conditioning
shaking at speed is , tires, wheel alignment, suspension parts or balance and again is not related to air conditioning
working one day and not the next suggest a leak in the ac system and now the low pressure switch is not allowing the compressor to work
So to cover your problems
take the car to an accredited auto ac specialist shop and have it checked for leaks and gas
then take it to an accredited suspension for a thorough check of the front end , then have a wheel alignment done

Oct 04, 2016 | 2005 Nissan Quest 3.5 SE

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I have a 1993 Chevy S-10 4.3L automatic. The heat won't shut off. It pours out regardless of the position of the climate controls. Coolant level and condition good. AC would work but. Thanks.


#46-12-03: AIR CONDITIONER BLOWS WARM AIR (REPLACE A/C DELAY RELAY) - (Apr 7, 1994) 999999995.gif REVISION: 04/14/94
THIS BULLETIN IS BEING REVISED TO CORRECT THE TRANSMISSION LISTED IN THE MODELS. ----------------------------------------------------------------------
SUBJECT: AIR CONDITIONER BLOWS WARM AIR (REPLACE A/C DELAY RELAY)
MODELS: 1994 CHEVROLET AND GMC TRUCK S/T PICKUP WITH 4.3 ENGINE (VIN Z - RPO LB4), 4L60E TRANSMISSION (M30) AND AIR CONDITIONER/MANUAL CONTROLS (C60); OR 4.3 ENGINE (VIN W - RPO L35) AND A/C (C60)
BUILT BEFORE THE FOLLOWING VIN BREAKPOINTS:
PLANT DIVISION VIN LINDEN GMC RK501034 SHREVEPORT GMC R8501199 SHREVEPORT CHEVROLET R8105893 LINDEN CHEVROLET RK103097
CONDITION:
SOME OWNERS MAY EXPERIENCE A CONDITION WHERE THE AIR CONDITIONER IS TURNED ON AND DELIVERS ONLY WARM AIR.
CAUSE:
THE AIR CONDITIONER COMPRESSOR MAY DELAY LONGER THAN THE "ORIGINAL DESIGN" INTENDED 12 SECONDS, OR MAY NOT ENGAGE, DUE TO THE POSSIBLE MALFUNCTION OF THE COMPRESSOR DELAY RELAY.
CORRECTION:
TRUCKS BUILT BEFORE THE VIN BREAKPOINTS LISTED ABOVE MAY NEED A NEW AIR CONDITIONER DELAY RELAY. REPLACE ONLY WITH 15990540 AIR CONDITIONER COMPRESSOR DELAY RELAY. SPECIFIED PROCEDURE IN SERVICE MANUAL NATP 9429, PAGE 1B-59. TEST AIR CONDITIONER OPERATION FOR DELIVERY OF COOL AIR.
NOTE:TO TEST FOR PROPER OPERATION, PUT THE A/C CONTROL ON THE "OFF" POSITION, START THE ENGINE, THEN PLACE THE A/C CONTROL IN THE "ON" POSITION. THIS SEQUENCE WILL PROVIDE IMMEDIATE ENGAGEMENT OF THE AIR CONDITIONER COMPRESSOR. WHEN THE ENGINE IS STARTED WITH THE A/C CONTROL ALREADY "ON", THERE WILL BE A NORMAL 15.0 SECOND DELAY FOR THE AIR CONDITIONER TO ENGAGE.
SERVICE PARTS INFORMATION:
P/N DESCRIPTION QTY
15990540 A/C COMPRESSOR DELAY RELAY 1
PARTS ARE CURRENTLY AVAILABLE FROM GMSPO.

Jul 29, 2011 | 1994 Chevrolet S-10 Blazer

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

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My GMC Sierra's air conditioning works great but the driver side vents will spontaneousely start blasting out hot air. The passenger side continuse to blow cold air. If iI turn the truck off and...


  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.

May 24, 2011 | 2005 GMC Sierra

1 Answer

Air conditioning works but will not deflect to blow at the driver, just goes through the defroster


  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.

May 11, 2011 | 2004 Jeep Grand Cherokee

1 Answer

My air conditioning began making a rythmic squeaking noise when the AC was on. It has now quit blowing out of the front vents. It works on the feet, defrost vents and in the rear air. What could this be??


  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.

May 10, 2011 | 2003 Chevrolet Suburban 1500

3 Answers

Air conditioner


The squeeling is the belt because the air compresor is likely seizing. At idle it can't turn the compressor, in motionthe compressor probably turns and cools the air. Most air conditioners come on when the defroster is on.

Jul 26, 2010 | 1996 Nissan Quest

1 Answer

Air conditioner blows hot air fully charged with


compressor or receiver/dryer or condensor may need to be replaced. Further testing will have to be done. Look into your sight glass and see if there is any bubbles in the glass, or if glass is extremely foggy. If so, you may have air in the system. Check to make sure you are getting power to the compressor.

Jul 20, 2009 | 1995 Lincoln Town Car

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