Last Modified: 11-29-2007 1.6 A
Service Category: Vehicle Interior Section: Heating/Air Conditioning
Model Year: 2008 Model: Sequoia Doc ID: RM000002991009X
Title: HEATING / AIR CONDITIONING: REAR AIR CONDITIONING UNIT: DISASSEMBLY (2008 Sequoia)

DISASSEMBLY

1. REMOVE REAR AIR MIX DAMPER SERVO MOTOR SUB-ASSEMBLY

(a) Disconnect the connector.

(b) Remove the 2 screws and rear air mix control servo motor.

2. REMOVE REAR MODE DAMPER SERVO MOTOR SUB-ASSEMBLY

(a) Remove the 4 screws and the bracket.

(b) Disconnect the connector.

(c) Remove the 2 screws and rear mode damper servo motor.

3. REMOVE AIR CONDITIONING CONNECTOR TUBE

(a) Remove the packing.

(b) Disconnect the hose.

(c) Remove the 3 screws.

(d) Remove the bolt and slide the hook connector.

(e) Remove the air conditioning connector tube.

(f) Remove the 2 O-rings from the air conditioning connector tube.

4. REMOVE WATER PIPE SUB-ASSEMBLY



(a) Remove the 4 screws and the bracket.

(b) Using pliers, grip the claws of the 2 clips and side the clips to remove the water pipe.

5. REMOVE HEATER INLET WATER HOSE

(a) Disengage the claw and separate the clamp.

(b) Using pliers, grip the claws of the clip and slide the clips to disconnect the heater water hose.

6. REMOVE HEATER OUTLET WATER HOSE

(a) Using pliers, grip the claws of the clip and slide the clips to disconnect the heater water hose.

7. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY

(a) Remove the screw.

(b) Disengage the claw and remove the heater clamp.

(c) Remove the heater radiator unit from the rear cooling unit as shown in the illustration.

8. REMOVE REAR BLOWER MOTOR SUB-ASSEMBLY

(a) Remove the 3 screws and the rear blower motor.

9. REMOVE BLOWER MOTOR CONTROL

(a) Remove the 2 screws and the blower motor controller.

10. REMOVE REAR COOLING UNIT EXPANSION VALVE

(a) Disengage the 3 claws and remove the plate.

(b) Remove the grommet.

(c) Using a 4 mm hexagon wrench, remove the 2 hexagon bolts and rear cooling unit expansion valve.

11. REMOVE REAR EVAPORATOR TEMPERATURE SENSOR

(a) Disengage the clamp.

(b) Disengage the claw and the rear evaporator temperature sensor.

12. REMOVE REAR EVAPORATOR SUB-ASSEMBLY

(a) Remove the 13 screws.

(b) Remove the rear evaporator as shown in the illustration.

(c) Remove the 2 O-rings from the rear evaporator.