For 1990-2009 cars only
Removal Procedure
- Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
- Drain the cooling system. Refer to Cooling System Draining and Filling.
- Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
- Remove the instrument panel carrier assembly. Refer to Instrument Panel Carrier Replacement.
- Compress the heater hose clamps and slide the clamps toward the engine.
- Remove the 2 heater hoses from the bulkhead.
- Remove the nuts that secure the A/C suction hose and liquid evaporator pipe connector block at the bulkhead.
- From the engine side of the bulkhead, remove the screws that secure the heater/air distribution case assembly to the bulkhead.
- Remove the case condensation drain hose under the glove box.
- Remove the heater/air distribution case assembly nuts.
- Remove the heater/air distribution case assembly from the vehicle.
Installation Procedure
- Install the heater/air distribution case assembly to the vehicle.
- Install the case condensation drain hose.
- Install the heater/air distribution case assembly nuts and tighten to 4 N·m (35 lb in).
- Install the heater/air distribution case assembly screws and tighten to 8 N·m (71 lb in).
- Install the A/C suction hose and liquid evaporator pipe onto the evaporator flange connector block. Tighten the nuts to 14 N·m (10 lb ft).
- Connect the 2 heater hoses to the heater core pipe.
- Slide the heater hose clamps into the position.
- Install the instrument panel carrier assembly. Refer to Instrument Panel Carrier Replacement.
- Fill the cooling system. Refer to Cooling System Draining and Filling.
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
- Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.
Caution: Refer to Fastener Caution in the Preface section.
