Ford Motor Co.
- If using approved Recovery/Recycling/Charging Center (023-00150) connect to high-side and low-side service valves. See SERVICE VALVE LOCATIONS under SYSTEM SERVICE VALVES. Connect manifold gauge set center hose to vacuum pump.
- Open both valves on manifold gauge set. Operate vacuum pump until low-side vacuum reading is at least 29.5 in. Hg (as close to 30 in. Hg as possible). Operate vacuum pump for at least 45 minutes.
- Close both valves on manifold gauge set. Turn off vacuum pump. Observe low-side gauge. Any loss of vacuum within 5 minutes indicates a system leak. Perform leak testing procedure. See LEAK TESTING . Repair system as necessary and repeat evacuation procedure.
NOTE:
If A/C system was open for an extended period (several hours), replace accumulator/receiver-drier and increase evacuation time to 2-3 hours.