Heater Hose Coupling: Connect

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Clean the tubes and lubricate with plain water.
Install a new coupling retainer, spacer and lubricated O-ring seals into the quick disconnect coupling housing.

Fig 1: Identifying Coupling Retainer, Spacer, O-Ring Seals, And Quick Disconnect Coupling Housing
Courtesy of FORD MOTOR CO.
Push the heater water hose with a quick disconnect coupling onto the tube.

Fig 2: Pushing Heater Water Hose With Quick Disconnect Coupling
Courtesy of FORD MOTOR CO.
Make sure the coupling is fully engaged by lightly pulling on the heater water hose.