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Charging Procedure

WARNING: This page is about a different car, the 2005 Jeep Liberty. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: A small amount of refrigerant oil is removed from the A/C system each time the refrigerant system is recovered and evacuated. Before charging the A/C system, you MUST replenish any oil lost during the recovery process. Refer to the equipment manufacturer instructions for more information.
  1. Evacuate the refrigerant system (Refer to REFRIGERANT SYSTEM EVACUATE  ).
  2. A manifold gauge set and a R-134a refrigerant recovery/recycling/charging station that meets SAE standard J2210 should still be connected to the A/C refrigerant system.
  3. Measure the proper amount of R-134a refrigerant and heat it to 52° C (125° F) with the charging station. See the operating instructions supplied by the equipment manufacturer for proper use of this equipment.
  4. Open both the suction and discharge valves, then open the charge valve to allow the heated refrigerant to flow into the system.
  5. When the transfer of refrigerant has stopped, close both the suction and discharge valves.
  6. If all of the refrigerant charge did not transfer from the dispensing device, open all of the windows in the vehicle and set the A/C-heater controls so that the A/C compressor is engaged and the blower motor is operating at its lowest speed setting. Run the engine at a steady high idle (about 1400 RPM). If the A/C compressor will not engage, test the compressor clutch control circuit and repair as required.
  7. Open the suction valve to allow the remaining refrigerant to transfer to the refrigerant system.
    WARNING: Take care not to open the discharge (high pressure) valve at this time.
  8. Close the suction valve and test the A/C system performance (Refer to HEATING & AIR CONDITIONING - DIAGNOSIS AND TESTING - A/C PERFORMANCE TEST) 
  9. Disconnect the charging station and manifold gauge set from the refrigerant system service ports.
  10. Install the protective caps onto the refrigerant system service ports.
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