Test Conditions and Preparations
1. Ambient temperature is between 68-86°F, vehicle in shade.2. Ensure condenser and radiator are clean.
3. Drive belt is properly tensioned and in good condition.
4. Air ducts are properly installed and all cables properly adjusted.
5. A/C compressor clutch functions properly.
6. Connect pressure gauge set to service valves, then open all dash air outlets.
7. Close windows and doors.