Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001CVOB
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 01/2019]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING UNIT: DISASSEMBLY; 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]

DISASSEMBLY

PROCEDURE

1. REMOVE NO. 2 AIR DUCT

(a) Remove the screw.

*a

View A

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.

2. REMOVE BLOWER ASSEMBLY

Click here 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; HEATING / AIR CONDITIONING: BLOWER UNIT: REMOVAL+

3. REMOVE ASPIRATOR

(a) Disengage the guide and 2 claws to remove the aspirator.

4. REMOVE REAR NO. 1 AIR DUCT

(a) Disengage the 3 claws and remove the rear No. 1 air duct as shown in the illustration.

Remove in this Direction

5. REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY

(a) Disconnect the connector.

Remove in this Direction

(b) Remove the screw.

(c) Disengage the guide to remove the air conditioning amplifier assembly as shown in the illustration.

6. REMOVE AIR CONDITIONING HARNESS ASSEMBLY

(a) Disconnect each connector.

(b) Disengage each clamp to remove the air conditioning harness assembly.

7. REMOVE HEATER COVER

(a) Remove the screw and heater cover as shown in the illustration.

Remove in this Direction

8. REMOVE DRAIN COOLER HOSE

(a) Remove the drain cooler hose.

9. REMOVE NO. 1 AIR CONDITIONING RADIATOR DAMPER SERVO SUB-ASSEMBLY

(a) for Single Type:

(1) Remove the 3 screws and No. 1 air conditioning radiator damper servo sub-assembly.

(b) for Dual Type:

(1) Remove the 3 screws and No. 1 air conditioning radiator damper servo sub-assembly.

10. REMOVE HEATER GROMMET

(a) Remove the heater grommet.

11. REMOVE HEATER CLAMP

(a) Disengage the 3 claws to remove the heater clamp.

12. REMOVE HEATER RADIATOR UNIT SUB-ASSEMBLY

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.

13. REMOVE COOLING UNIT PARTS

(a) Remove the cooling unit parts.

14. REMOVE COOLER EXPANSION VALVE

(a) Using a 4 mm hexagon socket wrench, remove the 2 hexagon bolts and cooler expansion valve.

(b) Remove the 2 O-rings from the No. 1 cooler evaporator sub-assembly.

15. 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.

(c) Disengage the clamp.

(d) Remove the No. 1 cooler evaporator sub-assembly with No. 1 cooler thermistor from the upper heater case.

16. REMOVE NO. 1 COOLER THERMISTOR

Click here 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; HEATING / AIR CONDITIONING: FRONT EVAPORATOR TEMPERATURE SENSOR: REMOVAL+