A Lincoln Navigator's heater core is located remain the licence front quarter trim panel. You Testament acquire to regulate up the panel from the vehicle's interior provided you demand to exchange the core. You and necessitate to filter the cooling method before anything else.
Instructions
Removing the Old Core
5. Install the replacement heater core into the Navigator and exchange the access involve and climate control housing. Reconnect all hoses and electrical connectors, using new O-ring seals where they are needed.6.
2. Remove the quarter trim panel on the hold water participation side. Detach the upper air duct on the auxiliary housing and remove the auxiliary line bracket.
3. Clamp off and then disconnect the heater hoses. Disconnect the bleed hose, blower Engine and the electrical connectors for the blower Engine resistor electrical actuator.
4. Remove the auxiliary climate discipline housing and the access contain to the evaporator/heater core. You can momentarily remove the heater core.
Installing the New Core
1. Withdraw and recover the refrigerant from the cooling action. The process must be chilling and the engine off to avoid injury.
Clean and lubricate the coolant hoses if necessary, using plain water. Lubricate the refrigerant system with clean PAG oil.
7. Connect the auxiliary line bracket and the upper air duct. Reconnect the quarter trim panel.
8. Refill the engine coolant level. Test the refrigerant system for leaks with a refrigerant leak detector. Evacuate the system of air and charge it with an R-134a Service Center.
