F 150 4WD Pickup V8-281 4.6L VIN W EFI (1997)
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.