| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM100000001GW0Y |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [01/2019 - 06/2020] |
| Title: HEATING / AIR CONDITIONING: AIR CONDITIONING UNIT: DISASSEMBLY; 2020 - 2021 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 06/2020] | ||
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 3 INSTRUMENT PANEL WIRE (w/ PTC Heater)
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(a) Disconnect the 2 connectors. |
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(b) Disengage the 5 clamps to remove the No. 3 instrument panel wire.
2. 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.
3. REMOVE BLOWER ASSEMBLY
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![2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; HEATING / AIR CONDITIONING: BLOWER UNIT: REMOVAL+](/t3Portal/stylegraphics/info.gif)
4. REMOVE GROMMET (for Manual Air Conditioning System)
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(a) Disengage the 2 claws to remove the grommet. |
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5. REMOVE ASPIRATOR (for Automatic Air Conditioning System)
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(a) Disengage the guide and 2 claws to remove the aspirator. |
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6. REMOVE COVER (w/ Cover)
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(a) Disengage the 3 claws to remove the cover. |
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7. REMOVE REAR NO. 1 AIR DUCT (w/ Rear Air Duct)
(a) Disengage the 3 claws and remove the rear No. 1 air duct as shown in the illustration.
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Remove in this Direction |
8. 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.
9. 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.
10. REMOVE HEATER COVER (w/o PTC Heater)
(a) Remove the screw and heater cover as shown in the illustration.
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Remove in this Direction |
11. REMOVE NO. 2 HEATER COVER (w/ PTC Heater)
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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.
12. REMOVE QUICK HEATER ASSEMBLY (w/ PTC Heater)
(a) Remove the quick heater assembly as shown in the illustration.
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Remove in this Direction |
13. REMOVE DRAIN COOLER HOSE
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(a) Remove the drain cooler hose. |
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14. REMOVE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY
(a) for Single Type:
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(1) Remove the 3 screws and No. 1 air conditioning radiator damper servo sub-assembly. |
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(b) for Dual Type:
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(1) Remove the 3 screws and No. 1 air conditioning radiator damper servo sub-assembly. |
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15. REMOVE NO. 2 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (w/ PTC Heater)
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(a) Remove the 2 screws and No. 2 air conditioning radiator damper servo sub-assembly. |
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16. REMOVE NO. 3 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY (for 3 Zone Type)
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(a) Remove the 2 screws and No. 3 air conditioning radiator damper servo sub-assembly. |
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17. REMOVE HEATER GROMMET
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(a) Remove the heater grommet. |
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18. REMOVE HEATER CLAMP
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(a) Disengage the 3 claws to remove the heater clamp. |
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19. 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.
20. REMOVE COOLING UNIT PARTS
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(a) Remove the cooling unit parts. |
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21. 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.
22. 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.
23. REMOVE NO. 1 COOLER THERMISTOR
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