Toyota Avalon (XX50): Exhaust Pipe

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Engine / 2gr-fks Intake / Exhaust / Exhaust Pipe

Components

COMPONENTS

ILLUSTRATION

*1	FRONT FLOOR COVER LH	*2	FRONT FLOOR COVER RH
	Nm (kgfcm, ft.*lbf): Specified torque	-	-

ILLUSTRATION

*1	BODY MOUNTING PLATE	*2	CENTER FLOOR CROSSMEMBER BRACE
*3	FRONT CENTER FLOOR BRACE	-	-
	Nm (kgfcm, ft.*lbf): Specified torque	-	-

ILLUSTRATION

*1	FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)	*2	CENTER EXHAUST PIPE ASSEMBLY
*3	HEATED OXYGEN SENSOR (for Bank 2)	*4	HEATED OXYGEN SENSOR (for Bank 1)
*5	NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)	*6	EXHAUST PIPE SUPPORT
*7	GASKET	-	-
	Nm (kgfcm, ft.*lbf): Specified torque	*	For use with SST
●	Non-reusable part	-	-

ILLUSTRATION

*A	Type A	*B	Type B
*1	TAIL EXHAUST PIPE ASSEMBLY	*2	TAIL EXHAUST PIPE ASSEMBLY LH
*3	TAIL PIPE BAFFLE	*4	EXHAUST PIPE SUPPORT
●	Non-reusable part	-	-

Installation

INSTALLATION

PROCEDURE

1. INSTALL 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) Align the cutout of a new tail pipe baffle with the guide line of the tail exhaust pipe assembly as shown in the illustration.

*a	Guide Line
*b	Cutout

(b) Using a plastic hammer, uniformly tap the tail pipe baffle onto the tail exhaust pipe assembly.

2. INSTALL HEATED OXYGEN SENSOR (for Bank 2)

Click here

3. INSTALL HEATED OXYGEN SENSOR (for Bank 1)

Click here

4. INSTALL FRONT EXHAUST PIPE ASSEMBLY (TWC: Rear Catalyst)

(a) Install 2 new gaskets to the front exhaust pipe assembly (TWC: Rear Catalyst).

(b) Connect the front exhaust pipe assembly (TWC: Rear Catalyst) to the exhaust pipe support.

(c) Install the front exhaust pipe assembly (TWC: Rear Catalyst) to the exhaust manifold (TWC: Front Catalyst) with 2 new bolts and 2 new nuts.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

(d) Engage the 2 wire harness clamps.

(e) Connect the 2 heated oxygen sensor connectors.

5. INSTALL NO. 1 EXHAUST PIPE SUPPORT BRACKET (for Lower Side)

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

Torque:

29 N·m {296 kgf·cm, 21 ft·lbf}

6. INSTALL BODY MOUNTING PLATE

(a) Install the body mounting plate with the 6 bolts.

Torque:

17.5 N·m {178 kgf·cm, 13 ft·lbf}

7. INSTALL CENTER EXHAUST PIPE ASSEMBLY

(a) Install a new gasket to the front exhaust pipe assembly (TWC: Rear Catalyst).

(b) Connect the center exhaust pipe assembly to the 2 exhaust pipe supports.

(c) Install the center exhaust pipe assembly to the front exhaust pipe assembly (TWC: Rear Catalyst) with 2 new bolts and 2 new nuts.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

8. INSTALL CENTER FLOOR CROSSMEMBER BRACE

(a) Install the center floor crossmember brace to the vehicle body with the 4 bolts.

Torque:

15 N·m {153 kgf·cm, 11 ft·lbf}

9. INSTALL FRONT CENTER FLOOR BRACE

(a) Install the front center floor brace to the vehicle body with the 4 bolts.

Torque:

15 N·m {153 kgf·cm, 11 ft·lbf}

10. INSTALL FRONT FLOOR COVER LH

(a) Install the front floor cover LH with the grommet (B) and 6 clips (C).

Torque:

Grommet (B) :

7.5 N·m {76 kgf·cm, 66 in·lbf}

(b) Install the 3 bolts and 4 clips (A).

Torque:

Bolt :

7.5 N·m {76 kgf·cm, 66 in·lbf}

11. INSTALL FRONT FLOOR COVER RH

(a) Install the front floor cover RH with the grommet (B) and 6 clips (C).

Torque:

Grommet (B) :

7.5 N·m {76 kgf·cm, 66 in·lbf}

(b) Install the 3 bolts and 4 clips (A).

Torque:

Bolt :

7.5 N·m {76 kgf·cm, 66 in·lbf}

12. INSTALL TAIL EXHAUST PIPE ASSEMBLY

(a) Install a new gasket to the center exhaust pipe assembly.

(b) Connect the tail exhaust pipe assembly to the 2 exhaust pipe supports.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

13. INSTALL TAIL EXHAUST PIPE ASSEMBLY LH

(a) Install a new gasket to the center exhaust pipe assembly.

(b) Connect the tail exhaust pipe assembly LH to the 2 exhaust pipe supports.

Torque:

43 N·m {438 kgf·cm, 32 ft·lbf}

14. INSPECT FOR EXHAUST GAS LEAK

If gas is leaking, tighten the areas necessary to stop the leak. Replace damaged parts as necessary.

(a) Perform Inspection After Repair after repairing an exhaust gas leak.

Click here

Removal

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.

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.

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.

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.

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

12. REMOVE HEATED OXYGEN SENSOR (for Bank 2)

Click here

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.

Exhaust Manifold

Intake Air Control Valve(for Acis)

See More:

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Heating / Air Conditioning: Air Conditioning Panel
ComponentsCOMPONENTS ILLUSTRATION *1 RADIO AND DISPLAY RECEIVER ASSEMBLY - - RemovalREMOVAL PROCEDURE 1. REMOVE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here ...