Econoline E350 1 Ton V8-5.4L SOHC VIN L (1999)
2. Lubricate the inside of the coupling with Motorcraft YN-12c refrigerant oil or equivalent meeting Ford specification WSH-M1C231-B.
3. Install the O-ring seals.
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Lubricate the O-ring seals with Motorcraft YN-12c refrigerant oil 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.
