Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM1000000025RHZ
Model Year Start: 2023 Model: Corolla Hatchback Prod Date Range: [09/2022 -           ]
Title: M20A-FKS (COOLING): THERMOSTAT (w/ Cooling Fan ECU): REMOVAL; 2023 - 2025 MY Corolla Corolla Hatchback [09/2022 -        ]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during water inlet with thermostat sub-assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link
  • Replacement of throttle body with motor assembly
  • Cleaning the deposits from the throttle body with motor assembly
  • Replacement of EGR valve assembly
  • Gas leak from exhaust system is repaired

Inspection after repair
  • Poor idle, etc.
  • Engine start function, etc.

2021 - 2023 MY Corolla Corolla Hatchback [04/2020 - 11/2022]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2023 - 2025 MY Corolla Corolla Hatchback [11/2022 -        ]; M20A-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

NOTICE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

Click here 2019 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. REMOVE ENGINE WATER PUMP ASSEMBLY (WATER INLET HOUSING)

Click here 2023 - 2025 MY Corolla Corolla Hatchback [09/2022 -        ]; M20A-FKS (COOLING): WATER PUMP (w/ Cooling Fan ECU): REMOVAL

2. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

(a) Using an 8 mm socket wrench, remove the 2 bolts and water inlet with thermostat sub-assembly.

(b) Remove the gasket from the water inlet with thermostat sub-assembly.