Mountaineer 2WD V6-245 4.0L VIN X SFI (2000)
1. Install the A/C tube lock coupling spring.
2. Lubricate the inside of the coupling with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-l2-C) or
equivalent meeting Ford specification WSH-MlC231-B.
3. Install the O-ring seals.
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Lubricate the O-ring seals with PAG Refrigerant Compressor Oil (R-134a Systems) F7AZ-19589-DA (Motorcraft YN-12-C) or equivalent
meeting Ford specification WSR-M1C231-B.
CAUTION: Use only new green O-ring seals. 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.
