Mariner 2WD L4-2.3L VIN Z (2005)
Heater Core: Service and Repair
HEATER CORE
Removal and Installation
NOTE: If a heater core leak is suspected, the heater core must be leak tested before the heater core is removed.
1. Drain the engine coolant.
2. Release the 2 clamps and disconnect the 2 heater hoses from the heater core.
3. Remove the instrument panel. Refer to: Body and Frame, Interior Moulding/Trim, Dashboard/Instrument Panel, Service and Repair, Removal and
Installation, See: Body and Frame/Interior Moulding / Trim/Dashboard / Instrument Panel/Service and Repair/Removal and Installation
4. Remove the screw and the temperature blend door lever.
5. Remove the 3 screws and the heater core cover.
6. Remove the heater core from the housing.
7. NOTE:
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Make sure the temperature blend door actuator and switch are in the correct position when installing the temperature blend door lever.
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Lubricate the coolant hoses with plain water only if needed.
To install, reverse the removal procedure.
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Fill and bleed the engine cooling system.