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Ford Motor Co.

  1. 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.
  2. 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.
    3. 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.
  3. 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.
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