Mountaineer 2WD V6-4.0L VIN K (2007)
8. Remove the 3 heater tube cover screws.
9. Remove the heater tube cover.
10. Remove the heater tube seal.
11. Remove the 4 heater core cover screws.
12. Remove the heater core cover.
13. Remove the heater core.
14. To install, reverse the removal procedure.