F 150 2WD Pickup V8-4.6L CNG SOHC VIN 9 (1997)
1. Disconnect the battery ground cable.
2. Recover the refrigerant from the system. See: Service and Repair/Refrigerant Recovery
3. Disconnect the A/C cycling pressure switch electrical connector.
4. Disconnect the manifold and tube fitting.
5. Remove the accumulator bracket clamping bolt.