Toyota Tundra Service Manual: Disassembly

DISASSEMBLY

PROCEDURE

1. REMOVE LOWER DEFROSTER NOZZLE ASSEMBLY

(a) Detach the 4 claws and remove the lower defroster nozzle assembly.

2. REMOVE NO. 1 AIR DUCT SUB-ASSEMBLY

(a) Detach the 4 claws and remove the No. 1 air duct sub-assembly.

3. REMOVE AIR FILTER COVER PLATE

(a) Detach the 2 claws and remove the air filter cover plate.

4. REMOVE CLEAN AIR FILTER

(a) Remove the clean air filter.

5. REMOVE NO. 3 AIR DUCT SUB-ASSEMBLY

(a) Remove the screw and No. 3 air duct sub-assembly.

6. REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY

7. REMOVE BLOWER WITH FAN MOTOR SUB-ASSEMBLY

(a) Remove the 3 screws and blower with fan motor sub-assembly.

8. REMOVE AIR DUCT

(a) Remove the 2 screws and air duct.

9. REMOVE NO. 1 DAMPER SERVO SUB-ASSEMBLY

(a) Disconnect the 2 connectors.

(b) Remove the 4 screws and No. 1 damper servo sub-assembly.

10. REMOVE DAMPER SERVO SUB-ASSEMBLY (for Automatic Air Conditioning System)

(a) Disconnect the connector.

(b) Remove the 3 screws and damper servo sub-assembly.

11. REMOVE BLOWER UPPER CASE SUB-ASSEMBLY

(a) Remove the 3 screws.

(b) Detach the 2 claws and remove the blower upper case sub-assembly.

12. REMOVE BLOWER DAMPER SERVO SUB-ASSEMBLY

(a) Disconnect the connector.

(b) Remove the 3 screws and blower damper servo sub-assembly.

13. REMOVE COOLING UNIT DAMPER SERVO SUB-ASSEMBLY (for Automatic Air Conditioning System)

(a) Disconnect the connector.

(b) Remove the 3 screws and cooling unit damper servo sub-assembly.

14. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY

(a) Remove the 3 screws and plate.

(b) Detach the 3 claws and remove the heater clamp.

(c) Remove the heater radiator unit sub-assembly.

15. REMOVE NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY

(a) Remove the No. 1 cooling unit packing and No. 2 cooling unit packing.

(b) Remove the 6 screws and detach the 3 claws.

(c) Remove the blower case (back side).

(d) Remove the No. 1 cooler evaporator sub-assembly from the blower case (front side).

16. REMOVE NO. 1 COOLER THERMISTOR

(a) Remove the No. 1 cooler thermistor.

17. REMOVE COOLER EXPANSION VALVE

(a) Using a 4 mm hexagon wrench, remove the 2 bolts.

(b) Remove the tube and accessory and 2 O-rings.

(c) Remove the cooler expansion valve and 2 O-rings from the No. 1 cooler evaporator sub-assembly.