Question about 1994 GMC Jimmy

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The A/C is blowing warm air? What is the factory refrigerent? Can I easily change to the new 134a?

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Check the service ports if they are screw type it is r 12 if they are quick connect type it is 134a yes you canconvert it i do it all the time
go to autozone or oreillys and get a retro kit (a little box of fittings) about $7 3 cans 134a and ester oil vacuum system down with pump for 30 min add 2 oz oil and 2 1/2 cans 134a.

Posted on Jul 03, 2009

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Posted on Jan 02, 2017

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Hi I got a town & country 2006 When the A/C is on it blows nice cold air the after 30 sec to a min it start to blowing hot air. Thank You for your help. John"


First thing to check is the level of the Freon in the system. Probably has 134a in it. Open the hood and look for the air conditioner compressor. When you find it turn on the engine and look at it again to see what parts are turning. Then go turn on the Air conditioner and you should hear the compressor kick on, look at it again to see what new parts are turning and then wait to see what changes when the air gets warm. This is an indication that there is not enough 134a in the system and when the pressure drops on the low side of the compressor it shuts off.

May 05, 2017 | Cars & Trucks

1 Answer

If my a/c is now blowing warm air, could adding 134A refrigerant oil fix it?


It could, but before you add freon, check your fuses and relays. If you add freon, make sure you use a gage and don't over fill it. Too much freon can

Jun 14, 2014 | 2006 Nissan Maxima

1 Answer

Can i put freon myself in my 2003 echo toyota


You can buy refrigerant R-134a at any parts store.

Mar 18, 2014 | 2003 Toyota ECHO

1 Answer

Refrigerant charge in L or H?


the attachment that comes with the r134a will only fit one of the fittings correctly. do not force it on. should snap on with the quick connect easily. it should be on the L side or low pressure side.

Jul 02, 2012 | 1995 Geo Prizm

1 Answer

A/cworksat idle and blows warm air at high speed


The Problem is the refrigerant. R-134A doesn't last as well as the old R-12. Best bet is to "evacuate" the system, and recharge with new refrigerant. Your system should take 1 can of R-134A Oil with Conditioner, and about 1.2 cans of R-134A refrigerant. The system is easy to work on, and rather in-expensive if you do it yourself. You should have a certified auto repair center do the "system evacuation". I hope this helps you, and I wish you luck on the repair.

Aug 23, 2010 | 2002 Ford Escape

1 Answer

My air conditioner blows hot air, could it need freeon and if so where would I put it?


your system uses the old refrigerant type r-12 which is no longer available. you will have to get the system change overto the new refrigerant r-134a. it will cost loads of money.

May 21, 2010 | 1992 Chevrolet Corsica

1 Answer

Air con blows warm air


Hi,
A couple of things will cause this problem. The first is making sure the compressor has voltage (blown fuse). The most common is it is low on refrigerant. Freon 134a. Good Luck.

Apr 26, 2010 | 1996 Cadillac DeVille

1 Answer

2000 chevy tahoe air conditioning blowing warm air


probably a leak.

what are your high and low side pressures?

Aug 01, 2009 | 1996 Chevrolet Tahoe

1 Answer

The ac only blows warm air, have recharged it with freon but it only cools minutes before blowing warm again, could find no leaks


There are special cans of R-134A with dye in them for detecting leaks. Most leaks occur around the fittings near the compressor. Recharge the system with the leak detector can or R-134A. There are also cans of R-134A with an additive to stop leaks. I would use these products to either detect your leak or to stop it. Best of luck.
Greg

May 24, 2009 | 2001 Jeep Cherokee

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