Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001BMP2
Model Year Start: 2019 Model: Avalon Prod Date Range: [04/2018 -           ]
Title: 2GR-FKS (INTAKE / EXHAUST): EXHAUST PIPE: REMOVAL; 2019 - 2022 MY Avalon [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 front exhaust pipe assembly (TWC: Rear Catalyst), center exhaust pipe assembly and tail exhaust pipe 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 air fuel ratio sensor
  • Gas leak from exhaust system is repaired

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

2019 MY Avalon [04/2018 - 08/2019]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION 2020 - 2022 MY Avalon [08/2019 -        ]; 2GR-FKS (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

CAUTION:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

PROCEDURE

1. REMOVE TAIL EXHAUST PIPE ASSEMBLY

CAUTION:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

(a) Remove the 2 bolts and disconnect the tail exhaust pipe assembly from the center exhaust pipe assembly.

(b) Remove the tail exhaust pipe assembly from the 2 exhaust pipe supports.

(c) Remove the gasket from the center exhaust pipe assembly.

2. REMOVE TAIL EXHAUST PIPE ASSEMBLY LH

CAUTION:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

(a) Remove the 2 bolts and disconnect the tail exhaust pipe assembly LH from the center exhaust pipe assembly.

(b) Remove the tail exhaust pipe assembly LH from the 2 exhaust pipe supports.

(c) Remove the gasket from the center exhaust pipe assembly.

3. REMOVE FRONT FLOOR COVER LH

(a) Remove the 3 bolts and 4 clips (A).

(b) Disengage the grommet (B) and 6 clips (C) to remove the front floor cover LH.

4. REMOVE FRONT FLOOR COVER RH

(a) Remove the 3 bolts and 4 clips (A).

(b) Disengage the grommet (B) and 6 clips (C) to remove the front floor cover RH.

5. REMOVE FRONT CENTER FLOOR BRACE

(a) Remove the 4 bolts and front center floor brace from the vehicle body.

6. REMOVE CENTER FLOOR CROSSMEMBER BRACE

(a) Remove the 4 bolts and center floor crossmember brace from the vehicle body.

7. REMOVE CENTER EXHAUST PIPE ASSEMBLY

CAUTION:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

(a) Remove the 2 bolts, 2 nuts and disconnect the center exhaust pipe assembly from the front exhaust pipe assembly (TWC: Rear Catalyst).

(b) Remove the center exhaust pipe assembly from the 2 exhaust pipe supports.

(c) Remove the gasket from the front exhaust pipe assembly (TWC: Rear Catalyst).

8. REMOVE BODY MOUNTING PLATE

(a) Remove the 6 bolts and body mounting plate.

9. REMOVE NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)

(a) Remove the 2 nuts and No. 1 exhaust pipe support bracket (for Lower Side).

10. REMOVE FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

CAUTION:

To prevent burns, do not touch the engine, exhaust pipe or other high temperature components while the engine is hot.

(a) Disconnect the 2 heated oxygen sensor connectors.

(b) Disengage the 2 wire harness clamps.

(c) Remove the 2 bolts, 2 nuts and disconnect the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust manifold (TWC: Front Catalyst).

(d) Remove the front exhaust pipe assembly (TWC: Rear Catalyst) from the exhaust pipe support.

(e) Remove the 2 gaskets from the front exhaust pipe assembly (TWC: Rear Catalyst).

11. REMOVE HEATED OXYGEN SENSOR (for Bank 1)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): HEATED OXYGEN SENSOR: REMOVAL+

12. REMOVE HEATED OXYGEN SENSOR (for Bank 2)

Click here 2019 - 2022 MY Avalon [04/2018 -        ]; 2GR-FKS (ENGINE CONTROL): HEATED OXYGEN SENSOR: REMOVAL+

13. REMOVE TAIL PIPE BAFFLE (for Type B)

HINT:

  • Perform this procedure only when replacement of the tail pipe baffle is necessary.
  • If the tail pipe baffle is removed, replace it with a new one.
  • Use the same procedure as for the tail exhaust pipe assembly LH.

(a) Remove the tail pipe baffle.