Question about 1997 Lexus LS 400

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Air Conditioner Problem

The compressor is working in the air conditioner; however, the air conditioner levels do not vary at all. So, when I turn on the air conditioner to the highest level, there is still only a very small amount of air that comes out.

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I would use a multimeter and check if the voltage changes at the blower motor, as you turn up the blower speed on the controls. If it goes up, you need a blower motor. If not, the a/c amplifier.

Posted on Jan 26, 2009

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I have ford mustang 1999 when i start my car and


there will be a cooling fan in front of the condenser ( ac unit in front of the radiator) that should be running as soon as you turn the ac on. If that is not working then the head pressures for the compressor become excessive and to save the compressor from damage it is shut of at the clutch at the pulley. When you are moving there is air flow through the condenser and so the head pressures are maintained at the correct level. Have it checked out by an accredited auto ac specialist . If you have a viscous fan hub on the engine fan the consider replacing it as it is not pulling air through the radiator when idling

Sep 28, 2014 | Cars & Trucks

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Air conditioner compressor cuts on and off, freon tests high


you will have to bleed some off the freon off of the high side safety. Use a hose combo with gauges.

Jun 10, 2014 | 2003 Chevrolet Astro

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2004 lincoln LS Air conditioner doesnt work


A mechanic would check the freon level, then for power at the relay, the low pressure switch, and the compressor clutch.

Aug 27, 2012 | 2004 Lincoln LS

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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

2 Answers

Radio, lighter, and air conditioner on 92 buick le sabre malfunctioned...radio and lighter won't work at all, air conditioner won't recognize being turned on anything but defrost and defog. Could it be...


Check for a fuse that indicates radio and replace it if it's burnt through or melted or discolored. The Buicks have dash controls that require expensive repairs sometimes to get the temperature controls to work so some people jump around the controls by installing a separate toggle switch that directly turns the AC unit off and on for 92 through 94 Buicks. Any AC shop can install the bypass wires.

Jul 25, 2010 | 1992 Buick LeSabre

1 Answer

Air conditioner wont turn on


It might be the fuse for the AC compressor. Check to make sure the blower motor/fan is working by putting it on heat, or vent and adjusting the level from low to high (not temperature). Fan speed. Hope this gets you started.

Apr 03, 2010 | 2006 Hyundai Sonata

1 Answer

Air conditioner compressor clutch went out twice


The air conditioner turns on even when you don't use it. Like anytime you have your defrost on, it helps dry the air inside of your vehcile. So by letting the leak continue the clutch turns on then off on then off over and over instead of just kicking in and staying on. Yes, if you don not fix the problem it will continue. I wish I had better news for you.

Stan

Dec 26, 2008 | 1996 Chevrolet Express

1 Answer

2001 nissan centra air conditioner


You may have a leak. At higher rpm's a/c compressor works better, that at idle, because it turns alot faster. Your level of R134 may be low in a/c system. Have garage check, how much R134 a you have in there.

Jun 22, 2008 | 2001 Nissan Sentra

1 Answer

AIR DOES NOT WORK DO I JUST NEED FREEON


If the air conditioner blow warm air,

1. Open the hood and check the fan belt first, sometime the fan belt broke caused the compressor stop to work, if the fan belt is good, check the compressor see if the center part turns, if turns, that means the compressor is o.k.

2. If both work fine, check the air conditioner small window see if there is bubble, if you see some bubbles in the small round window, that’s means your air conditioner lack
R-22 Freon.

3. before you fill up the Freon, check the leaking, if leaks, fix it and then fill up the Freon, the best way is to ask some professional auto air conditioner repair shop to help you.


Hope this can help you.

Jun 12, 2008 | 1996 Chrysler Cirrus

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