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How much freon does a 2002 tahoe require.it has rear ac

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Posted on Aug 02, 2015

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  • AC Master
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Some systems take around 54 ounces, 3 1/2 pounds. This when it is empty. To fill, I always use a set of gauges. The low pressure gauge you can buy with a can it not good to use. You can fill it to say 45 pounds pressure, which is around right at 85 degrees. But the high side could be reading 400 pounds. Something will blow out at that pressure.

Posted on Aug 02, 2015

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5 Suggested Answers

Anonymous

  • 34 Answers

SOURCE: 2002 Tahoe Rear A/C doesn't work

check fuses & power to blower fan motor,plug connections.then apply 12 volts to blower fan motor if it dont turn its bad

Posted on May 16, 2009

paul campbell

  • 1071 Answers

SOURCE: Front AC blows super hot and rear blows cold on

climate unit

Posted on Jul 22, 2009

Anonymous

  • 141 Answers

SOURCE: Front AC blows warm and the rear blows cold in my 99 Tahoe

I just worked through a similar issue with my van. The front and rear systems each have their own expansion valve. Chances are the front one is stuck and needs to be replaced. System will have to be evacuated and recharged.

Posted on Aug 05, 2009

Susan Price

  • 1857 Answers

SOURCE: 99 tahoe, rear air is cold, front air is warm, has

either a switch is bad or a electrical operated door failed within the duct work. . This vehicle has the abililty to set a code for this condition and only the dealer and some shops have the diagnostic equipment to diagnose this cortectly the first time.

Posted on May 16, 2010

ddywrbks

Michael Anderson

  • 799 Answers

SOURCE: 2002 Tahoe with rear air.

Hi
It holds 3.0 pounds when completely evacuated. Be sure to use R134a refrigerant with oil added, it is needed in the system for lubrication.

Please vote if this helped! Thanks, Mike

Posted on Jun 12, 2011

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Related Questions:

1 Answer

I HAVE A 2001 CHEVY TAHOE FRONT AC BLOWS COLD REAR DOESNT


I would agree it might be the valve.
One line should be cold and the other warm or hot.

Oct 02, 2012 | 2001 Chevrolet Tahoe

1 Answer

2002 taho location of orifice tube, ft and rear systems


I would check the low and high readings with a gauge set first.
Its possible the compressor has failed internally.
If the orifice is plugged up one of the lines should be cold where the freon gas is concentrated.
The fan clutch is working ok, right ?
I'm showing an orifice tube in the front and an expansion valve in the back, so its doubtful both would fail at the same time.

Jul 23, 2012 | Chevrolet Cars & Trucks

1 Answer

Were to put freon in at the fist hook up or second


Your system has R134A Freon. The good news is those two couplings are different sizes. The refill can connector will only connect to the low side which is the proper side to refill the AC System.

Aug 02, 2011 | 2002 Chevrolet Tahoe

1 Answer

How much freon does it take for a 2002 tahoe 5.3 lt with rear air


if this is a factory system, should have this info on the under hood decal

Jun 21, 2011 | 2002 Chevrolet Tahoe

1 Answer

2002 Tahoe with rear air. How much freon does the a.c. system hold?


Hi
It holds 3.0 pounds when completely evacuated. Be sure to use R134a refrigerant with oil added, it is needed in the system for lubrication.

Please vote if this helped! Thanks, Mike

Jun 12, 2011 | 2002 Chevrolet Tahoe

1 Answer

Front AC blows warm and the rear blows cold in my 99 Tahoe


I just worked through a similar issue with my van. The front and rear systems each have their own expansion valve. Chances are the front one is stuck and needs to be replaced. System will have to be evacuated and recharged.

Aug 05, 2009 | 1999 Chevrolet Tahoe

2 Answers

2002 Tahoe Rear A/C doesn't work.


the system could still be low on freon even though front works

Jun 21, 2009 | 2002 Chevrolet Tahoe

2 Answers

AC Blowing Warm Air


the refrigerant gas is not enough . need recharging.

Jun 16, 2009 | 2002 Chevrolet Tahoe

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