Automotive AC – Charging the AC System

Charging the AC system is a reasonably easy task when using an AC machine. The key to making a quality repair that will provide lasting reliable performance is to pull a long vacuum on the system and then add the exact amount of refrigerant back to the system. The charge amount is usually located on a decal that is under the hood in a conspicuous location. If the decal is missing, then a reliable source of service literature should be used. Once the exact charge amount is known, then the charging process can begin. See the steps to charge the AC system with an AC machine below.

A decal located under the hood will provide details about the refrigerant used, the charge amount, and the lubrication

A reliable service manual or electronic database can be used to locate the amount of refrigerant to use when recharging the AC system for your specific

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