1. Remove the screw cap from either of the two service valves.
WARNING: Wear protective goggles.
2. Gently press with a thin screwdriver with a long sting on the tip of the valve spool.
WARNING: Discharge refrigerant from the air conditioning system in a well ventilated area or outdoors.
The refrigerant at atmospheric pressure is in a gaseous state. Discharge the refrigerant from the system in a very thin stream. When refrigerant is drained, some oil mixed with it may splash out. To protect the engine compartment from contamination, place a cleaning cloth around the service valve.
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