Mountaineer RWD V6-4.0L (2008)
4. Remove the rear quarter trim panel.
5. Remove the 2 auxiliary line floorpan bracket nuts.
6. NOTE: The screw and line bracket are located inside the vehicle above the floorpan line bracket.
Remove the 4 line bracket screws and the line bracket.
7. Disconnect the auxiliary harness electrical connector.
8. Remove the 2 auxiliary housing bolts and auxiliary housing nut.
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To install, tighten to 6 Nm (53 lb-in).
9. Disconnect the 2 auxiliary actuator electrical connectors.
10. Remove the 3 auxiliary mode door actuator screws.
11. Remove the auxiliary mode door actuator.
12. Remove the 3 auxiliary temperature blend door actuator screws.
13. Remove the auxiliary temperature blend door actuator.
14. Remove the 4 heater core cover screws.
15. Remove the heater core cover.
16. Disconnect the 2 heater core hose clamps.
17. Remove the auxiliary heater core.
18. To install, reverse the removal procedure.
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Lubricate the coolant hoses with plain water only if needed.
19. Fill the engine cooling system.
