Explorer 4WD V8-4.6L (2008)
Removal and Installation
NOTE: Clean and lubricate the coolant hoses with plain water only if needed.
1. With the vehicle in NEUTRAL, position it on a hoist.
2. Recover the refrigerant.
3. Drain the engine coolant.
4. Remove the LH quarter trim panel.
5. Detach the headliner duct from the auxiliary climate control housing.
6. Remove the auxiliary evaporator inlet and outlet line fitting nuts.
-
Discard the O-ring seals.
-
Discard the thermostatic expansion valve (TXV) filter.
-
To install, tighten to 8 Nm (71 lb-in).
7. Release the heater hose clamps and disconnect the heater hoses.
-
After disconnecting the heater hoses, allow any residual coolant to drain from the auxiliary heater core to avoid coolant spilling inside the
passenger compartment.
8. Remove the 2 auxiliary line floorpan bracket nuts.
-
To install, tighten to 8 Nm (71 lb-in).
9. Remove the 2 auxiliary heater core and evaporator core housing bolts.
-
To install, tighten to 6 Nm (53 lb-in).
10. Remove the auxiliary heater core and evaporator core housing nut.
