1998 Chevrolet C1500 Logo
Posted on May 09, 2010
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What is the 134-a-Freon Compacity for a 1998 chevy Silverado & also the pressure for the low side & high side

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Mike Watson

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  • Posted on May 09, 2010
Mike Watson
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The R134-a refrigerant should be 1.80lbs. and the presures are dictated by the system it's self which they should be around the same pressure.If the low side is much greater than the high side and fluctuats greatly as it is running you should replace the orafice tube which is located in one of the metal lines near a connection.You can locate the orafice tube buy looking for three little dimple crimps about 3 inches from one of the connections in the metal line.

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