Heater & Cooling Unit Assembly: Removal and Installation: Removal
CAUTION:
Before servicing, turn the ignition switch off, disconnect both battery terminals and wait at least 3 minutes.
- Move the two front seats to the rear most position on the seat track.
- Discharge the refrigerant from the A/C system. Refer to [HFC-134A (R-134A) SERVICE PROCEDURE ]
- Drain the coolant from the engine cooling system. Refer to [CHANGING ENGINE COOLANT ] (QR25DE), [CHANGING ENGINE COOLANT ] (VQ40DE).
- Disconnect the battery negative and positive terminals.
- For vehicles equipped with the VQ40DE engine, remove the RH heater core pipes nut.
- Disconnect the heater core hoses from the heater core.NOTE: Cap or plug opening(s) to prevent fluid from spilling.
- Disconnect the high- and low-pressure A/C pipes from the expansion valve.
- Remove the instrument panel and console panel. Refer to [INSTRUMENT PANEL ASSEMBLY: EXPLODED VIEW ]
- Remove the two front floor ducts.
- Remove the steering column. Refer to [STEERING COLUMN: REMOVAL AND INSTALLATION ]
- 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 ]
- Remove the covers then remove the three steering member bolts from each side to disconnect the steering member from the vehicle body. Refer to [INSTRUMENT PANEL ASSEMBLY: EXPLODED VIEW ].
- 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 unit assembly with it attached to the steering member.
- Use suitable plugs on the heater core pipes to prevent coolant leakage.
- Remove the heater and cooling unit assembly from the steering member.