DISCONNECT

1. Remove the nut from the peanut fitting.

CAUTION: Support the female fitting with a wrench to prevent the tubes from twisting.

2. Pull the peanut fitting apart.

3. Remove the O-ring seal with a non-metallic tool.

CAUTION: Do not use metal tools to remove the O-ring seal. They can cause axial scratches across the O-ring seal groove resulting in refrigerant leaks.

CONNECT

1. Clean all dirt or foreign material from the fittings.

2. Install the O-ring seal.

• Lubricate the O-ring seal with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B.

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

3. Lubricate the inside of the fittings with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent meeting Ford specification WSH-M1C231-B.

4. Assemble the male and female fittings together.

NOTE: When correctly assembled, the male and female fittings should be flush.