F 150 4WD Pickup V8-5.4L SOHC VIN 3 (1999)
2. Fit the spring lock coupling disconnect tool to the spring lock coupling.
3. Push the tool into the cage opening to release the female fitting from the A/C tube lock coupling spring.
4. Pull the spring lock coupling fittings apart.
5. Remove the O-ring seals with a non-metallic tool.
CAUTION: Do not use metal tools to remove the O-ring tools. They can cause axial scratches across the O-ring grooves resulting in refrigerant
leaks.
6. Remove the A/C tube lock coupling spring with a small hooked wire.
CAUTION: Do not use a screw driver or similar tool to remove the A/C tube lock coupling spring; this can cause axial scratches across the
O-ring grooves resulting in refrigerant leaks.
CLEANING