Toyota Avalon (XX50): Rear Suspension Member

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Suspension / Rear Suspension / Rear Suspension Member

Components

COMPONENTS

ILLUSTRATION

*A	for Gasoline Model	-	-
*1	NO. 1 FLOOR UNDER COVER	*2	NO. 2 FLOOR UNDER COVER
	Nm (kgfcm, ft.*lbf): Specified torque	-	-

ILLUSTRATION

*1	REAR FLEXIBLE HOSE LH	*2	REAR FLEXIBLE HOSE RH
*3	REAR STABILIZER BAR	*4	REAR STABILIZER LINK ASSEMBLY LH
*5	REAR STABILIZER LINK ASSEMBLY RH	-	-
	Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)	-	-

ILLUSTRATION

*1	REAR COIL SPRING LH	*2	REAR COIL SPRING RH
*3	REAR LOWER COIL SPRING INSULATOR LH	*4	REAR LOWER COIL SPRING INSULATOR RH
*5	REAR NO. 1 SUSPENSION ARM ASSEMBLY LH	*6	REAR NO. 1 SUSPENSION ARM ASSEMBLY RH
*7	REAR NO. 2 SUSPENSION ARM ASSEMBLY LH	*8	REAR NO. 2 SUSPENSION ARM ASSEMBLY RH
*9	REAR SUSPENSION TOE ADJUST CAM SUB-ASSEMBLY	*10	NO. 2 CAMBER ADJUST CAM
	Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)	-	-

ILLUSTRATION

*1	REAR SUSPENSION MEMBER SUB-ASSEMBLY	*2	REAR UPPER CONTROL ARM ASSEMBLY LH
*3	REAR UPPER CONTROL ARM ASSEMBLY RH	*4	REAR SUSPENSION MEMBER LOWER STOPPER
*5	REAR SUSPENSION MEMBER LOWER BRACE LH	*6	REAR SUSPENSION MEMBER LOWER BRACE RH
	Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": Nm (kgfcm, ft.*lbf)	-	-

ILLUSTRATION

*1	REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION	*2	REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION LH
*3	REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION RH	*4	REAR SUSPENSION MEMBER CUSHION
●	Non-reusable part	-	-

Installation

INSTALLATION

PROCEDURE

1. INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION (for LH Side)

(a) Confirm the installation direction and temporarily install a new rear suspension member front body mounting cushion.

NOTICE:

Position the rear suspension member front body mounting cushion in the correct direction.
Do not apply lubricant to the outer sleeve of the rear suspension member front body mounting cushion.

*A	Type A
*B	Type B
*a	View from Underneath
	Front of the Vehicle
	Outside of the Vehicle

(b) Install SST as shown in the illustration.

SST: 09570-24011

SST: 09830-10010

09830-01010

09830-01020

09830-01040

09830-01050

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

(c) Using SST, install the rear suspension member front body mounting cushion until there is no clearance between the rear suspension member sub-assembly and rear suspension member front body mounting cushion.

SST: 09570-24011

SST: 09830-10010

09830-01010

09830-01020

09830-01040

09830-01050

NOTICE:

If the rear suspension member sub-assembly is scratched, apply paint to the scratched areas of the rear suspension member sub-assembly.

*a	Hold
	Turn

(d) Remove SST from the rear suspension member sub-assembly.

2. INSTALL REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION (for RH Side)

(a) Confirm the installation direction and temporarily install a new rear suspension member front body mounting cushion.

NOTICE:

Position the rear suspension member front body mounting cushion in the correct direction.
Do not apply lubricant to the outer sleeve of the rear suspension member front body mounting cushion.

*A	Type A
*B	Type B
*a	View from Underneath
	Front of the Vehicle
	Outside of the Vehicle

(b) Install SST using the same procedure as for the rear suspension member front body mounting cushion (for LH Side).

SST: 09570-24011

SST: 09830-10010

09830-01010

09830-01020

09830-01040

09830-01050

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

SST: 09570-24011

SST: 09830-10010

09830-01010

09830-01020

09830-01040

09830-01050

NOTICE:

If the rear suspension member sub-assembly is scratched, apply paint to the scratched areas of the rear suspension member sub-assembly.

HINT:

Perform the same procedure as for the rear suspension member front body mounting cushion (for LH Side).

(d) Remove SST from the rear suspension member sub-assembly.

3. INSTALL REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION LH

(a) Confirm the installation direction and temporarily install a new rear suspension member rear body mount cushion LH.

NOTICE:

Position the rear suspension member rear body mount cushion LH in the correct direction.
Do not apply lubricant to the outer sleeve of the rear suspension member rear body mount cushion LH.

*A	Type A
*B	Type B
*a	View from Underneath
	Front of the Vehicle
	Outside of the Vehicle

(b) Install SST as shown in the illustration.

SST: 09710-28031

09711-02030

09711-02040

94622-51200

SST: 09950-60021

09951-00720

09951-00890

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

(c) Using SST, install the rear suspension member rear body mount cushion LH until there is no clearance between the rear suspension member sub-assembly and rear suspension member rear body mount cushion LH.

SST: 09710-28031

09711-02030

09711-02040

94622-51200

SST: 09950-60021

09951-00720

09951-00890

NOTICE:

If the rear suspension member sub-assembly is scratched, apply paint to the scratched areas of the rear suspension member sub-assembly.

*a	Hold
	Turn

(d) Remove SST from the rear suspension member sub-assembly.

4. INSTALL REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION RH

(a) Confirm the installation direction and temporarily install a new rear suspension member rear body mount cushion RH.

NOTICE:

Position the rear suspension member rear body mount cushion RH in the correct direction.
Do not apply lubricant to the outer sleeve of the rear suspension member rear body mount cushion RH.

*A	Type A
*B	Type B
*a	View from Underneath
	Front of the Vehicle
	Outside of the Vehicle

(b) Install SST using the same procedure as for the rear suspension member rear body mount cushion LH.

SST: 09710-28031

09711-02030

09711-02040

94622-51200

SST: 09950-60021

09951-00720

09951-00890

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

(c) Using SST, install the rear suspension member rear body mount cushion RH until there is no clearance between the rear suspension member sub-assembly and rear suspension member rear body mount cushion RH.

SST: 09710-28031

09711-02030

09711-02040

94622-51200

SST: 09950-60021

09951-00720

09951-00890

NOTICE:

If the rear suspension member sub-assembly is scratched, apply paint to the scratched areas of the rear suspension member sub-assembly.

HINT:

Perform the same procedure as for the rear suspension member rear body mount cushion LH.

(d) Remove SST from the rear suspension member sub-assembly.

5. INSTALL REAR UPPER CONTROL ARM ASSEMBLY LH

Click here

6. INSTALL REAR UPPER CONTROL ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

7. INSTALL REAR SUSPENSION MEMBER SUB-ASSEMBLY

(a) Install the 4 rear suspension member cushions to the rear suspension member sub-assembly.

HINT:

When reusing the rear suspension member cushion, make sure to check its identification mark and install it to the correct position.

(b) Using an engine lifter and 4 attachments or equivalent tools, support the rear suspension member sub-assembly as shown in the illustration.

The rear suspension member sub-assembly is a very heavy component. Make sure that it is supported securely.
If the rear suspension member sub-assembly is not securely supported, it may drop, resulting in serious injury.

NOTICE:

Use attachments or equivalent tools to keep the rear suspension member sub-assembly level.
Keep supporting the rear suspension member sub-assembly until the installation has been completed.

*a	Engine Lifter
*b	Attachment
	Attachment Placement Location

(c) Raise the rear suspension member sub-assembly until there is no clearance between the rear suspension member sub-assembly and vehicle.

(d) Install the rear suspension member sub-assembly with the 2 rear suspension member lower stoppers, rear suspension member lower brace LH and rear suspension member lower brace RH, 2 bolts and 6 nuts.

Torque:

Bolt A :

158 N·m {1611 kgf·cm, 117 ft·lbf}

Nut B :

158 N·m {1611 kgf·cm, 117 ft·lbf}

Nut C :

18 N·m {184 kgf·cm, 13 ft·lbf}

8. TEMPORARILY INSTALL REAR UPPER CONTROL ARM ASSEMBLY LH

(a) Temporarily install the rear upper control arm assembly LH to the rear axle carrier sub-assembly LH with the bolt and nut.

NOTICE:

Insert the bolt with the threaded end facing the rear of the vehicle.
Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut secured.

9. TEMPORARILY INSTALL REAR UPPER CONTROL ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

10. TEMPORARILY INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY LH

Click here

11. TEMPORARILY INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

12. TEMPORARILY INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY LH

Click here

13. TEMPORARILY INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

14. INSTALL REAR LOWER COIL SPRING INSULATOR LH

Click here

15. INSTALL REAR LOWER COIL SPRING INSULATOR RH

HINT:

Perform the same procedure as for the LH side.

16. INSTALL REAR COIL SPRING LH

Click here

17. INSTALL REAR COIL SPRING RH

HINT:

Perform the same procedure as for the LH side.

18. INSTALL REAR STABILIZER BAR

Click here

19. CONNECT REAR FLEXIBLE HOSE LH

(a) Connect the rear flexible hose LH to the rear flexible hose bracket with the bolt.

Torque:

29 N·m {296 kgf·cm, 21 ft·lbf}

20. CONNECT REAR FLEXIBLE HOSE RH

HINT:

Perform the same procedure as for the LH side.

21. STABILIZE SUSPENSION

Click here

22. INSTALL REAR STABILIZER LINK ASSEMBLY LH

Click here

23. INSTALL REAR STABILIZER LINK ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

24. INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY LH

Click here

25. INSTALL REAR NO. 1 SUSPENSION ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

26. INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY LH

(a) Install the rear No. 2 suspension arm assembly LH (rear axle carrier sub-assembly side) with the bolt.

Click here

27. INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

28. INSTALL REAR UPPER CONTROL ARM ASSEMBLY LH

(a) Install the rear upper control arm assembly LH to the rear axle carrier sub-assembly LH with the bolt.

Torque:

73 N·m {744 kgf·cm, 54 ft·lbf}

NOTICE:

Because the nut has its own stopper, do not turn the nut. Tighten the bolt with the nut secured.

29. INSTALL REAR UPPER CONTROL ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

30. INSTALL CENTER EXHAUST PIPE ASSEMBLY

for 2GR-FKS: Click here

for A25A-FXS: Click here

31. INSTALL NO. 1 FLOOR UNDER COVER (for Gasoline Model)

Click here

32. INSTALL NO. 2 FLOOR UNDER COVER (for Gasoline Model)

Click here

33. INSTALL REAR WHEEL

Click here

34. INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY LH

(a) Install the rear No. 2 suspension arm assembly LH (rear suspension member sub-assembly side) with the nut.

Click here

35. INSTALL REAR NO. 2 SUSPENSION ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

36. INSPECT FOR EXHAUST GAS LEAK

for 2GR-FKS: Click here

for A25A-FXS: Click here

37. INSPECT AND ADJUST REAR WHEEL ALIGNMENT

Click here

38. PERFORM INITIALIZATION

for Gasoline Model:

Intelligent Clearance Sonar System
Intuitive Parking Assist System

Parking Assist Monitor System

for Initialization

for Calibration

Panoramic View Monitor System

for Initialization

for Calibration

for HV Model:

Intelligent Clearance Sonar System
Intuitive Parking Assist System

Parking Assist Monitor System

for Initialization

for Calibration

Panoramic View Monitor System

for Initialization

for Calibration

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 rear suspension member sub-assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model:)

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Rear wheel alignment adjustment	Perform system variant learning and acceleration sensor zero point calibration.	VSC disabled or malfunctioning DTCs are output Slip indicator light illuminated ABS warning light illuminated
Suspension, tires, etc. (The vehicle height changes because of suspension or tire replacement.)	Measure ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intelligent Clearance Sonar System Intuitive Parking Assist System
	Rear television camera assembly optical axis adjustment (Back camera position setting)	Parking Assist Monitor System	for Initialization for Calibration
	Parking assist ECU initialization Adjust steering angle Television camera assembly optical axis adjustment (Back camera position setting)	Panoramic View Monitor System	for Initialization for Calibration
Gas leak from exhaust system is repaired	Inspection After Repair	Poor idle, etc. Engine start function, etc.

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model:)

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Rear wheel alignment adjustment	Clear zero point calibration data. Perform yaw rate and acceleration sensor zero point calibration.	DTCs are stored ABS warning light illuminates Brake warning light / yellow (minor malfunction) illuminates Slip indicator light illuminates VSC disabled or malfunctions
Suspension, tires, etc. (The vehicle height changes because of suspension or tire replacement.)	Measure ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intelligent Clearance Sonar System Intuitive Parking Assist System
	Rear television camera assembly optical axis adjustment (Back camera position setting)	Parking Assist Monitor System	for Initialization for Calibration
	Parking assist ECU initialization Adjust steering angle Television camera assembly optical axis adjustment (Back camera position setting)	Panoramic View Monitor System	for Initialization for Calibration
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 REAR WHEEL

Click here

2. REMOVE NO. 2 FLOOR UNDER COVER (for Gasoline Model)

Click here

3. REMOVE NO. 1 FLOOR UNDER COVER (for Gasoline Model)

Click here

4. REMOVE CENTER EXHAUST PIPE ASSEMBLY

for 2GR-FKS: Click here

for A25A-FXS: Click here

5. SEPARATE REAR FLEXIBLE HOSE LH

(a) Remove the bolt and separate the rear flexible hose LH from the rear flexible hose bracket.

6. SEPARATE REAR FLEXIBLE HOSE RH

HINT:

Perform the same procedure as for the LH side.

7. REMOVE REAR STABILIZER LINK ASSEMBLY LH

Click here

8. REMOVE REAR STABILIZER LINK ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

9. REMOVE REAR STABILIZER BAR

Click here

10. REMOVE REAR COIL SPRING LH

Click here

11. REMOVE REAR COIL SPRING RH

HINT:

Perform the same procedure as for the LH side.

12. REMOVE REAR LOWER COIL SPRING INSULATOR LH

Click here

13. REMOVE REAR LOWER COIL SPRING INSULATOR RH

HINT:

Perform the same procedure as for the LH side.

14. REMOVE REAR NO. 2 SUSPENSION ARM ASSEMBLY LH

Click here

15. REMOVE REAR NO. 2 SUSPENSION ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

16. REMOVE REAR NO. 1 SUSPENSION ARM ASSEMBLY LH

Click here

17. REMOVE REAR NO. 1 SUSPENSION ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

18. SEPARATE REAR UPPER CONTROL ARM ASSEMBLY LH

(a) Remove the bolt and nut and separate the rear upper control arm assembly LH from the rear axle carrier sub-assembly LH.

NOTICE:

Because the nut has its own stopper, do not turn the nut. Loosen the bolt with the nut secured.

19. SEPARATE REAR UPPER CONTROL ARM ASSEMBLY RH

HINT:

Use the same procedure as for the LH side.

20. REMOVE REAR SUSPENSION MEMBER SUB-ASSEMBLY

(a) Using an engine lifter and 4 attachments or equivalent tools, support the rear suspension member sub-assembly as shown in the illustration.

The rear suspension member sub-assembly is a very heavy component. Make sure that it is supported securely.
If the rear suspension member sub-assembly is not securely supported, it may drop, resulting in serious injury.

NOTICE:

Use attachments or equivalent tools to keep the rear suspension member sub-assembly level.

*a	Engine Lifter
*b	Attachment
	Attachment Placement Location

(b) Remove the 2 bolts, 6 nuts, 2 rear suspension member lower stoppers, rear suspension member lower brace LH and rear suspension member lower brace RH.

NOTICE:

When lowering the rear suspension member sub-assembly, be careful not to damage the vehicle body or other components installed to the vehicle.

(d) Remove the 4 rear suspension member cushions from the rear suspension member sub-assembly.

HINT:

Make sure to place an identification mark on the rear suspension member cushion so that they can be reinstalled to their original positions.

21. REMOVE REAR UPPER CONTROL ARM ASSEMBLY LH

Click here

22. REMOVE REAR UPPER CONTROL ARM ASSEMBLY RH

HINT:

Perform the same procedure as for the LH side.

23. REMOVE REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION (for LH Side)

(a) Using a chisel and hammer, bend the 2 portions of the rear suspension member front body mounting cushion rib.

NOTICE:

Make sure to bend the 2 portions of the cushion rib until the claws of SST can fit securely.

*a	Bend Portion

(b) Apply lubricant to the contact surfaces of the rear suspension member front body mounting cushion.

SST: 09830-10010

09830-01010

09830-01040

09830-01050

SST: 09950-40011

09951-04010

09952-04010

09954-04010

09955-04061

09958-04011

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

(d) Using SST, remove the rear suspension member front body mounting cushion while applying lubricant into the clearance between the rear suspension member front body mounting cushion and the rear suspension member sub-assembly.

SST: 09830-10010

09830-01010

09830-01040

09830-01050

SST: 09950-40011

09951-04010

09952-04010

09954-04010

09955-04061

09958-04011

NOTICE:

Set the claws of SST into the rear suspension member sub-assembly securely as shown in the illustration.
Tighten SST slowly and evenly.
Be careful as the rear suspension member front body mounting cushion may fly out.
The rear suspension member front body mounting cushion cannot be reused.

*a	Hold
	Turn

(e) Remove SST and the rear suspension member front body mounting cushion from the rear suspension member sub-assembly.

24. REMOVE REAR SUSPENSION MEMBER FRONT BODY MOUNTING CUSHION (for RH Side)

HINT:

Perform the same procedure as for the LH side.

25. REMOVE REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION LH

(a) Install SST as shown in the illustration.

SST: 09950-00020

SST: 09950-00030

SST: 09950-60011

09951-00330

NOTICE:

Apply molybdenum grease to the threads and tip of the SST center bolt before use.

(b) Using SST, remove the rear suspension member rear body mount cushion LH while applying lubricant into the clearance between the rear suspension member rear body mount cushion LH and the rear suspension member sub-assembly.

SST: 09950-00020

SST: 09950-00030

SST: 09950-60011

09951-00330

NOTICE:

Tighten SST slowly and evenly.
Be careful as the rear suspension member rear body mount cushion LH may fly out.
The rear suspension member rear body mount cushion LH cannot be reused.

*a	Hold
	Turn

26. REMOVE REAR SUSPENSION MEMBER REAR BODY MOUNT CUSHION RH

HINT:

Perform the same procedure as for the LH side.

Rear Stabilizer Bar

Rear Suspension System

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