Mariner 4WD L4-2.5L (2010)
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To install, tighten to 15 Nm (133 lb-in).
5. Release the clamps and disconnect the heater inlet and outlet hoses from the heater core.
6. Remove the 6 heater core and evaporator core housing nuts.
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To install, tighten to 9 Nm (80 lb-in).
7. Remove the heater core and evaporator core housing in the following sequence.
1. Detach the heater core and evaporator core housing from the dash panel studs.
2. Rotate the RH side of the heater core and evaporator core housing toward the rear of the vehicle while pulling the housing toward the RH door
opening to detach it from the rear footwell duct.
3. Remove the heater core and evaporator core housing.
8. Disassemble the heater core and evaporator core housing as needed.
9. NOTICE: Motorcraft(R) Electric Compressor Oil only must be used as a refrigerant system lubricant for hybrid vehicles. Addition of
any oil other than Motorcraft(R) Electric Compressor Oil to the hybrid vehicle refrigerant system will damage the electric Air
Conditioning (A/C) compressor and contaminate the refrigerant system.
To install, reverse the removal procedure.
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Install new gasket seals.
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Add the correct amount of clean PAG oil (non-hybrid) or electric A/C compressor oil (hybrid) to the refrigerant system.
10. Fill and bleed the engine cooling system. For additional information, refer to Cooling System &/or Engine Block Heater.
11. Evacuate, leak test and charge the refrigerant system.
