Question about 2005 GMC Savana
AIR CONDITIONING REFRIGERANT
Front A/C 1.8 lbs (0.81 kg) Front and Rear A/C 3.1 lbs (1.41 kg)
Air Conditioning Refrigerant R134a P/N 12356150 U.S. (10953485 Canada)
Posted on Jul 22, 2009
If your ac is cool not cold and you are trying to ad freon by the can or you have added freon by the can, you may have an overcharge condition . While its normal to have a small amount of 134 leak during the cold months you should never have to add a can of 134 because your average can is 12 ounces which is 4 oz shy of a pound (that's about a third of your system capacity) you should have your ac recovered and the system vacumed down to remove moisture and air which cause acid to form which ruins a lot of components in a hurry. After you vacum the system to 29inches of vacum isolate the vehicle from the vacum source and watch your gauges if they creep up losing vacum you have a leak, if they don't then add die and about 2oz of oil (pag) and recharge to spec and you shoud have ice cold air. If not then watch your high and low pressures and compare them to the manufacturers specification and follow any trouble tree they have for the symptom
Posted on May 11, 2012
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Posted on Jan 02, 2017
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