| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VK1Z |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - 08/2016] |
| Title: HEATING / AIR CONDITIONING: FRONT AIR CONDITIONING UNIT: DISASSEMBLY; 2016 MY Sienna [12/2015 - 08/2016] | ||
DISASSEMBLY
PROCEDURE
1. REMOVE TRANSPONDER KEY ECU ASSEMBLY (w/ Engine Immobiliser System)
![2016 - 2020 MY Sienna [12/2015 - ]; THEFT DETERRENT / KEYLESS ENTRY: TRANSPONDER KEY ECU: REMOVAL+](/t3Portal/stylegraphics/info.gif)
2. REMOVE DEFROSTER LOWER NOZZLE ASSEMBLY
(a) Disengage the 4 claws to remove the defroster lower nozzle assembly.
3. REMOVE NO. 2 AIR DUCT SUB-ASSEMBLY
(a) Disengage the 4 claws to remove the No. 2 air duct sub-assembly.
4. REMOVE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
(a) Disconnect the connector.
(b) Remove the 2 screws and No. 1 air conditioning radiator damper servo sub-assembly.
5. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY
(a) Disengage the 2 claws to remove the heater clamp.
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(b) Remove the screw and piping clamp. |
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(c) Remove the heater radiator unit sub-assembly. |
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6. REMOVE AIR CONDITIONING HARNESS
(a) Disconnect the 5 connectors.
(b) Disengage the 6 clamps to remove the air conditioning harness.
7. REMOVE NO. 4 AIR DUCT SUB-ASSEMBLY
8. REMOVE AIR CONDITIONING RADIATOR ASSEMBLY
(a) Remove the 6 screws and air conditioning radiator assembly.
9. REMOVE NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
(a) Remove the 3 screws and No. 2 air conditioning radiator damper servo sub-assembly.
10. REMOVE COOLER EXPANSION VALVE
(a) Using a 4 mm hexagon socket wrench, remove the 2 bolts and cooler expansion valve.
11. REMOVE NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY
(a) Disengage the clamp to remove the No. 1 cooler evaporator sub-assembly with the cooler thermistor.
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(b) Remove the 2 O-rings from the No. 1 cooler evaporator sub-assembly. |
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12. REMOVE NO. 1 COOLER THERMISTOR
13. REMOVE ASPIRATOR
(a) Disengage the clamp.
(b) Disengage the 2 claws to remove the aspirator.
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