F 250 4WD Super Duty V10-6.8L VIN Z CNG (2003)
7. Spread the retainer tabs apart and slide the retainer off the tube.
8. Discard the retainer.
CONNECT
1. Clean the tubes and lubricate with MERPOL(R) meeting Ford specification ESE-M99B144-B or plain water.
2. Install a new coupling retainer, spacer, and lubricated O-ring seals into the quick disconnect coupling housing.
3. Push the heater water hose with a quick disconnect coupling onto the tube.
4. Make sure the coupling is fully engaged by lightly pulling on the heater water hose.
