Spring Lock Coupling: Connect

Install the A/C tube lock coupling spring.

Fig 1: Installing A/C Tube Lock Coupling Spring
Courtesy of FORD MOTOR CO.
Lubricate the inside of the coupling with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.

Fig 2: Lubricating Inside Of Coupling With PAG Refrigerant Compressor Oil
Courtesy of FORD MOTOR CO.

CAUTION: Use only the new O-ring seals. The use of any O-ring seals other than those specified in the Ford Master Parts Catalog may result in intermittent leakage during vehicle operation.

Install the O-ring seals.
- Lubricate the O-ring seals with PAG Refrigerant Compressor Oil (R-134a Systems) or equivalent.
  
  Fig 3: Install And Lubricate O-Ring Seals
  Courtesy of FORD MOTOR CO.
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.

Fig 4: Connecting Spring Lock Coupling Fittings
Courtesy of FORD MOTOR CO.
Install the A/C tube lock coupling clip.

Fig 5: Installing A/C Tube Lock Coupling Clip
Courtesy of FORD MOTOR CO.