Question about 1997 GMC Sierra

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Electric clutch on 1997 GMC truck air conditioner sometimes works but usually does not.

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WHAT IS THE AIR GAP ON THE CLUTCH, WHEN IT IS TURNED ON DOES THE CLUTCH HAVE 12 VOLTS AT THE COMPRESSOR CONNECTOR.

Posted on Sep 11, 2009

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1 Answer

Where is low pressure connection on 1997 GMC Jimmy for adding refrigerant?


usually passenger side of truck. Look for the silver colored lines under the hood. One line is low, one is high. There are fittings on each line with a plastic cap. If you're buying the easy kits from the auto parts store with the fill attachment included, just attach it. The fittings on the lines are different sizes so you cannot mix them up. Be sure not to over fill the 134a because too much refrigerant will make it blow hot air also.

May 27, 2014 | 1997 GMC Jimmy

1 Answer

AIR CONDITIONER


Could be a list of things including low on freon, low pressure switch, relay, or the a/c clutch on the compressor.

Jun 30, 2012 | 1997 Lexus ES 300

1 Answer

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 conditioner blows warm air sometimes then cold air sometimes. no noise from compressor, clutch working, and no leakes.


The system may be low on refrigerant, due to a leak, or possibly has a faulty low pressure sensor. If it cycles quickly, I would be lloking for a leak. If it only works randomly, but blows cold when working, possible low pressure switch issue. either way, the system should be checked with a qualified repair shop.

Aug 16, 2010 | 2001 GMC Yukon XL

1 Answer

On my 1997 Lincoln Mark VIII, the air conditioner and heater are


check the sensor in the dash near the controls looks like a tiny vent see if it has dust build up

Dec 08, 2009 | 1998 Lincoln Mark VIII

1 Answer

Air conditioner on 1993 gmc jimmie doesn't blow out cold air. The fan runs however the clutch on the air conditioner unit won't kick in


if clutch isnt kicking in, there only could be two things.....electrical issue(test the clutch connector for voltage, relays etc.), or low or no freon(have it vacuum tested if voltage is fine). Hopefully this helps

Aug 16, 2009 | 1993 GMC Jimmy

1 Answer

How do you remove the Air conditioner clutch from a 1997 chevy


Replace the whole compressor. If you don't have the proper tools to replace the clutch with, you will never get it out. The compressors are bad for the front seals leaking on those, and would be best to replace the whole thing.

Jun 10, 2009 | 1997 Chevrolet S-10 Pickup

1 Answer

When the air conditioner is on, there is a loud revving sound that gets louder as we accelerate. It goes away totally if the ac is turned off. Could this be the tensioner?


Yes it could be the belt tentioner or you may want to check the front clutch asy on the a/c compressor.sometimes the clutch will squeal when it is trying to lock up.

May 23, 2009 | 1997 Dodge Grand Caravan

1 Answer

AC not blowing cold air at times


poss causes are, sticking low pressure switch, defective Ac compressor clutch closing coil or incorrect clutch driven plate air gap, spec is 0.26 thousands.

May 11, 2009 | 2003 Ford ZX2

1 Answer

2002 Jeep Liberty


I have a 2002 Jeep Liberty and after driving for about 30 minutes the air conditioner would start to blow hot air. The air conditioner clutch was sticking. I could hit the clutch and it would kick in and start to work. I went to Advance Auto and purchased a big spray can of electric motor cleaner and a big spray can of WD-40. I soaked the clutch with the electric motor cleaner, used the whole can, then soaked it with half a can of WD-40. The clutch has worked perfecty ever since.

Jun 09, 2008 | 2002 Jeep Liberty

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