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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 921 (Ventilation System) >> Removal And Installation >> 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 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Move the two front seats to the rear most position on the seat track.
  2. Disconnect the battery negative terminal and battery positive terminal.
  3. Discharge the refrigerant from the A/C system. Refer to "HFC-134A (R-134A) SERVICE PROCEDURE ".
  4. Drain the coolant from the engine cooling system. Refer to "CHANGING ENGINE COOLANT ".
  5. Disconnect the front heater hoses from the front heater core.
  6. Disconnect the high/low pressure pipes from the front expansion valve.
  7. Remove the instrument panel and console panel. Refer to "REMOVAL AND INSTALLATION ".
  8. Disconnect the instrument panel wire harness at the RH and LH in-line connector brackets, and the fuse block (J/B) electrical connectors. Refer to "TERMINAL ARRANGEMENT ".
  9. Disconnect the steering member from each side of the vehicle body.
  10. Remove the front heater and cooling unit assembly with it attached to the steering member from 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.
  11. Remove the front heater and cooling unit assembly from the steering member.
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