Mark LT 4WD V8-5.4L VIN 5 (2006)
Evaporator Core: Service and Repair
EVAPORATOR CORE
Removal and Installation
NOTE:
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If an evaporator core leak is suspected, the evaporator core must be vacuum leak tested before it is removed from the vehicle.
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Installation of a new suction accumulator is not required when repairing the air conditioning system, except when there is physical evidence of
contamination from a failed A/C compressor or damage to the suction accumulator.
1. Remove the heater core.
2. Remove the screws and detach the wire harness from the evaporator core cover.
3. Remove the screws and the blower motor resistor (EMTC) or blower motor speed control (EATC).
4. Remove the bottom evaporator core cover screws.
5. Disconnect the air inlet mode door actuator electrical connector.