F 150 2WD Pickup V8-4.6L CNG SOHC VIN 9 (1997)
3. Drain the radiator.
4. Remove the instrument panel. See: Instrument Panel, Gauges and Warning Indicators/Instrument Cluster / Carrier/Service and Repair
5. Disconnect the heater water hoses at the heater core.
6. Fit Spring Lock Coupling Disconnect Tool to the evaporator lines so that the spring lock coupling tool can enter the cage opening to release the
A/C tube lock coupling spring.
7. Push the tool into the cage opening to release the female fitting from the A/C tube lock coupling spring.
8. Pull the spring lock coupling fittings apart.
