Heater Hose Coupling: Connect

WARNING: This page is about a different car, the 2003 Ford Pickup, 2003 Ford F550 Super Duty, 2003 Ford F450 Super Duty, 2003 Ford Excursion, and 2003 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

Clean the tubes and lubricate with MERPOL® meeting Ford specification ESE-M99B144-B or plain water.
Install a new coupling retainer, spacer, and lubricated O-ring seals into the quick disconnect coupling housing.

Fig 1: Installing New Coupling Retainer, Spacer, And Lubricated O-Ring Seals
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 A Quick Disconnecting Coupling Onto Tube
Courtesy of FORD MOTOR CO.
Make sure the coupling is fully engaged by lightly pulling on the heater water hose.