Mountaineer AWD V8-4.6L (2010)
Evaporator Core: Service and Repair
Evaporator Core
Removal and Installation
NOTE: If an evaporator core leak is suspected, the evaporator core must be vacuum leak tested before it is removed from the vehicle.
1. Remove the heater core. For additional information, refer to Heater Core See: Heater Core/Service and Repair/Heater Core.
2. Remove the 5 outer evaporator core cover screws.
3. Remove the 6 inner evaporator core cover screws.
4. Separate the evaporator core cover from the heater core and evaporator core housing.
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Discard the rope seal.
5. Remove the evaporator core.
6. To install, reverse the removal procedure.
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Apply a bead of RTV sealant around the entire evaporator core housing groove joint in place of the rope seal.
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Tighten the evaporator core cover screws in a diagonal pattern to distribute the RTV sealant evenly.