Lexus IS250 IS220d GSE20 ALE20 - AIR CONDITIONING
AIR CONDITIONING UNIT - DISASSEMBLY
1. REMOVE AIR OUTLET CONTROL SERVO MOTOR |

Disconnect the connector.
Remove the 3 screws and air outlet control servo motor.
2. REMOVE AIR MIX CONTROL SERVO MOTOR |

Remove the 4 clamps and connector, and disconnect the wire harness.

Remove the 3 screws and heater piping cover.

Remove the 3 screws and air mix control servo motor.
3. REMOVE COOLER EXPANSION VALVE |

Remove the packing from the air conditioning tube assembly.

Using a hexagon wrench 4 mm, remove the 2 hexagon bolts and air conditioning tube assembly.
Remove the 2 O-rings from the air conditioning tube assembly.

Remove the cooler expansion valve from the No. 1 cooler evaporator sub-assembly.
4. REMOVE AIR CONDITIONING HARNESS ASSEMBLY |

Remove the 2 connectors and 5 clamps, and then disconnect the wire harness.
Remove the air conditioning harness assembly as shown in the illustration.
5. REMOVE AIR OUTLET CONTROL SERVO MOTOR |

Remove the 2 screws and the air duct.

Remove the 4 screws and the servo motor plate.

Remove the 2 screws.
Release the claw and remove the air outlet control servo motor from the servo motor plate.
6. REMOVE AIR MIX CONTROL SERVO MOTOR |

Remove the 2 screws.
Release the claw and remove the air mix control servo motor from the servo motor plate.
7. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY |

Remove the screw and clamp.
Remove the heater radiator unit sub-assembly.
8. REMOVE NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY |

Remove the 5 screws.
Release the 3 claws and remove the air duct.

Remove the No. 1 cooler evaporator sub-assembly from the air duct.
Remove the 2 O-rings from the No. 1 cooler evaporator sub-assembly.