Navigator 4WD V8-5.4L VIN 5 (2006)
5. Remove the nuts and disconnect the auxiliary evaporator line fittings.
-
Discard the O-ring seals.
-
To install, tighten to 8 Nm (71 lb-in).
6. Remove the bolts and the auxiliary line bracket.
7. Disconnect the heater hoses.
1
Using suitable tools, clamp off the heater hoses to prevent residual coolant from spilling into the vehicle.
2
Disconnect the heater hoses.
8. Disconnect the drain hose.
9. Disconnect the blower motor electrical connector.
10. Disconnect the blower motor resistor electrical connector.
11. Disconnect the auxiliary temperature blend door actuator electrical connector.
12. Disconnect the auxiliary mode door actuator electrical connector.
13. Remove the 2 auxiliary climate control housing bolts.
14. Remove auxiliary climate control housing.
15. To install, reverse the removal procedure.
-
Install new O-ring seals.
-
Clean and lubricate the coolant hoses with plain water only if needed.
-
Lubricate the refrigerant system with the correct amount of clean PAG oil.
16. Fill the engine coolant level.
17. Evacuate, leak test and charge the refrigerant system.