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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 810 (Automatic Air Conditioner) >> Heater & Cooling Unit Assembly >> Removal and Installation >> Front Heater And Cooling Unit Assembly >> Removal

Front Heater And Cooling Unit Assembly: Removal

WARNING: This page is about a different car, the 2007 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. Discharge the refrigerant from the A/C system. Refer to "DISCHARGING REFRIGERANT ".
  2. Drain the coolant from the engine cooling system. Refer to "CHANGING ENGINE COOLANT ".
  3. Remove the front heater core pipes RH nut.
    Fig 1: Identifying Front Heater Core Pipes Nut
    G04913515
  4. Disconnect the front heater core hoses from the front heater core.
  5. Disconnect the high- and low-pressure A/C pipes from the front expansion valve.
  6. Move the two front seats to the rearmost position on the seat track.
  7. Remove the instrument panel and console panel. Refer to "REMOVAL AND INSTALLATION ".
  8. Remove the two front floor ducts.
  9. Remove the steering column. Refer to "REMOVAL AND INSTALLATION ".
  10. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse block (SMJ) electrical connectors. Refer to "HARNESS LAYOUT ".
  11. Remove the covers then remove the three steering member bolts from each side to disconnect the steering member from the vehicle body.
  12. Remove the front 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 front heater and cooling unit assembly with it attached to the steering member.
    • Use suitable plugs on the heater core pipes to prevent coolant leakage.
  13. Remove the front heater and cooling unit assembly from the steering member.