| Last Modified: 08-21-2023 | 6.11:8.1.0 | Doc ID: RM100000001AYBO |
| Model Year Start: 2019 | Model: Avalon HV | Prod Date Range: [04/2018 - 08/2019] |
| Title: HEATING / AIR CONDITIONING: AIR CONDITIONING UNIT (for HV Model): DISASSEMBLY; 2019 MY Avalon HV [04/2018 - 08/2019] | ||
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 4 HEATER TO REGISTER DUCT SUB-ASSEMBLY
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(a) Remove the 2 screws. |
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(b) Disengage the 6 claws to remove the No. 4 heater to register duct sub-assembly. |
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2. REMOVE NO. 2 AIR DUCT SUB-ASSEMBLY
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(a) Disengage the 4 claws to remove the No. 2 air duct sub-assembly. |
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3. REMOVE NO. 2 INSTRUMENT PANEL WIRE
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(a) Disconnect the 2 connectors. |
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(b) Disengage each clamp to remove the No. 2 instrument panel wire.
4. REMOVE NO. 2 AIR DUCT
(a) Remove the screw.
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*a |
View A |
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Front |
(b) Disengage the 3 claws to remove the No. 2 air duct.
NOTICE:
Be careful not to deform or damage the lower heater case of the air conditioner unit assembly when removing the No. 2 air duct.
5. REMOVE ASPIRATOR
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(a) Disengage the guide and 2 claws to remove the aspirator. |
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6. REMOVE BLOWER ASSEMBLY
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![2019 MY Avalon Avalon HV [04/2018 - 08/2019]; HEATING / AIR CONDITIONING: BLOWER UNIT: REMOVAL+](/t3Portal/stylegraphics/info.gif)
7. REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY
(a) Disconnect the connector.
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Remove in this Direction |
(b) Remove the screw.
(c) Disengage the guide to remove the air conditioning amplifier assembly as shown in the illustration.
8. REMOVE AIR CONDITIONING HARNESS ASSEMBLY
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(a) Disconnect each connector. |
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(b) Disengage each clamp to remove the air conditioning harness assembly.
9. REMOVE NO. 2 HEATER COVER
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(a) Remove the screw. |
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(b) Disengage the claw and 2 guides to remove the No. 2 heater cover.
10. REMOVE QUICK HEATER ASSEMBLY
(a) Remove the quick heater assembly as shown in the illustration.
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Remove in this Direction |
11. REMOVE DRAIN COOLER HOSE
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(a) Remove the drain cooler hose. |
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12. REMOVE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
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(a) Remove the 3 screws and No. 1 air conditioning radiator damper servo sub-assembly. |
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13. REMOVE NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
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(a) Remove the 2 screws and No. 2 air conditioning radiator damper servo sub-assembly. |
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14. REMOVE NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
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(a) Remove the 2 screws and No. 3 air conditioning radiator damper servo sub-assembly. |
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15. REMOVE HEATER PIPE GROMMET
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(a) Remove the heater pipe grommet. |
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16. REMOVE HEATER CLAMP
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(a) Disengage the 3 claws to remove the heater clamp. |
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17. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY
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Remove in this Direction |
(a) Remove the heater radiator unit sub-assembly as shown in the illustration.
NOTICE:
Prepare a drain pan or cloth in case the coolant leaks.
18. REMOVE COOLING UNIT PARTS
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(a) Remove the cooling unit parts. |
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19. REMOVE COOLER EXPANSION VALVE
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(a) Using a 4 mm hexagon socket wrench, remove the 2 hexagon bolts and cooler expansion valve. |
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(b) Remove the 2 O-rings from the No. 1 cooler evaporator sub-assembly.
20. REMOVE NO. 1 COOLER EVAPORATOR SUB-ASSEMBLY
(a) Remove the 2 screws.
(b) Disengage the 10 claws to remove the upper heater case with No. 1 cooler evaporator sub-assembly from the lower heater case.
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(c) Disengage the clamp. |
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(d) Remove the No. 1 cooler evaporator sub-assembly with No. 1 cooler thermistor from the upper heater case.
21. REMOVE NO. 1 COOLER THERMISTOR
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