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HEATER & COOLING UNIT ASSEMBLY MTC-87 C D E F G H I K L M A B MTC
2005 Pathfinder 4. Remove the RH heater core pipes nut. 5. Disconnect the heater core hoses from the heater core. 6. Disconnect the high- and low-pressure A/C pipes from the 7. Move the two front seats to the rearmost position on the seat 8. Remove the instrument panel and console panel. Refer to . 9. Remove the two front floor ducts. 10. Remove the steering column. Refer to . 11. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse block (SMJ) electrical connectors. Refer to . 12. Remove the covers then remove the three steering member bolts from each side to disconnect the steer- ing member from the vehicle body. 13. Remove the heater and cooling unit assembly with it attached to the steering member, from the vehicle. CAUTION: ● Use care not to damage the seats and interior trim panels when removing the heater and cooling ● Use suitable plugs on the heater core pipes to prevent coolant leakage. 14. Remove the heater and cooling unit assembly from the steering member. INSTALLATION Installation is in the reverse order of removal. CAUTION: ● Replace the O-ring of the low-pressure A/C pipe and high-pressure A/C pipe with a new one, and . ● After charging the refrigerant, check for leaks. Refer to ATC-167, "Checking for Refrigerant Leaks" . NOTE: ● Fill the engine cooling system with the specified coolant mixture. Refer to . ● Recharge the A/C system. Refer to ATC-151, "Evacuating System and Charging Refrigerant" . WJIA1292E |