Navigator 4WD V8-5.4L VIN 5 (2006)
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.
