Heater Hose Coupling: Connect

WARNING: This page is about a different car, the 2003 Ford RV Cutaway, 2003 Ford Econoline, 2003 Ford E550 Super Duty, 2003 Ford E450 Super Duty, and 2003 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Clean the tubes and lubricate with MERPOL(R) 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 A 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: Disconnecting Coupling Tube
Courtesy of FORD MOTOR CO.
Make sure the coupling is fully engaged by lightly pulling on the heater water hose.