Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001BGQX
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 -           ]
Title: A25A-FXS (COOLING): WATER PUMP: REMOVAL; 2019 - 2022 MY Avalon HV [04/2018 -        ]

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 engine water pump assembly (water inlet housing) 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 assembly
  • Cleaning the deposits from the throttle body assembly
  • Replacement of EGR valve assembly
  • Gas leak from exhaust system is repaired

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

2019 MY Avalon HV [04/2018 - 08/2019]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2020 - 2021 MY Avalon HV [08/2019 - 08/2021]; A25A-FXS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (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 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. REMOVE INTAKE MANIFOLD

Click here 2019 - 2021 MY Avalon HV [04/2018 - 08/2021]; A25A-FXS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL 2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (INTAKE / EXHAUST): INTAKE MANIFOLD: REMOVAL

2. REMOVE WATER INLET WITH THERMOSTAT SUB-ASSEMBLY

Click here 2019 - 2021 MY Avalon HV [04/2018 - 08/2021]; A25A-FXS (COOLING): THERMOSTAT: REMOVAL 2022 MY Avalon HV [08/2021 -        ]; A25A-FXS (COOLING): THERMOSTAT: REMOVAL

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

(a) Disconnect the sensor wire connector.

(b) Using an 8 mm socket wrench, remove the bolt and disconnect the sensor wire from the engine water pump assembly (water inlet housing).

(c) Disconnect the engine water pump assembly (water inlet housing) connector.

(d) Remove the 4 bolts and engine water pump assembly (water inlet housing) from the cylinder block assembly.

(e) Remove the gasket from the engine water pump assembly (water inlet housing).