Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001PW7H
Model Year Start: 2021 Model: Avalon Prod Date Range: [08/2020 -           ]
Title: A25A-FKS (EMISSION CONTROL): EGR COOLER: REMOVAL; 2021 - 2022 MY Avalon [08/2020 -        ]

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 EGR cooler assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedures

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Gas leak from exhaust system is repaired

Inspection After Repair

  • Poor idle, etc.
  • Engine start function, etc.

2021 - 2022 MY Avalon [08/2020 -        ]; A25A-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 - 2022 MY Avalon Avalon HV [04/2018 -        ]; INTRODUCTION: REPAIR INSTRUCTION: PRECAUTION

PROCEDURE

1. DRAIN ENGINE COOLANT

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; MAINTENANCE: A25A-FKS COOLANT: REPLACEMENT+

2. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL+

3. REMOVE AIR CLEANER CAP WITH AIR CLEANER HOSE

Click here 2021 - 2022 MY Avalon [08/2020 -        ]; A25A-FKS (ENGINE CONTROL): THROTTLE BODY: REMOVAL+

4. REMOVE EGR COOLER ASSEMBLY

(a) Slide the 2 clips and disconnect the No. 3 water by-pass hose and No. 4 water by-pass hose from the EGR cooler assembly.

*1

No. 3 Water By-pass Hose

*2

No. 4 Water By-pass Hose

(b) Remove the 5 bolts and EGR cooler assembly from the cylinder head sub-assembly and EGR valve assembly.

(c) Remove the EGR valve gasket from the EGR valve assembly.

(d) Remove the EGR cooler gasket from the EGR cooler assembly.