Spring Lock Coupling

Spring Lock Coupling Disconnect Tool (1/2 Inch):

Spring Lock Coupling Disconnect Tool (5/8 Inch):

Spring Lock Coupling Disconnect Tool (3/4 inch):

Special Tools


DISCONNECT







1. Remove the A/C tube lock coupling clip.







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 seals. 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 screwdriver 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.

CONNECT







1. Install the A/C tube lock coupling spring.







2. Lubricate the inside of the coupling with PAG compressor oil YN-12b, F2AZ-19577-AC (Canada: Motorcraft CYN-12b) or equivalent meeting Ford specification WSH-M1C231-B.







3. Install the O-ring seals.
- Lubricate the O-ring seals with PAG compressor oil YN-12b, F2AZ-19577-AC (Canada: Motorcraft CYN-12b) or equivalent meeting Ford specification WSH-M1C231-B.

CAUTION: Use only new green O-rings. The use of any O-ring seals other than specified may result in intermittent leakage during vehicle operation.







4. Connect the spring lock coupling fittings with a twisting motion until the A/C tube lock coupling spring snaps over the flared end of the female fitting.







5. Install the A/C tube lock coupling clip.