Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

• Use the same procedure for the RH side and LH side.
• The following procedure is for the LH side.

PROCEDURE

1. INSTALL SUSPENSION TOWER DAMPER (w/ Suspension Tower Damper)

(a) Install the suspension tower damper to the front shock absorber assembly with the bolt.

Torque:

20 N·m {204 kgf·cm, 15 ft·lbf}

2. INSTALL FRONT LOWER COIL SPRING INSULATOR

(a) Install the front lower coil spring insulator to the front shock absorber assembly.

Positioning Pin

NOTICE:

When installing the front lower coil spring insulator, insert the positioning pin of the spring seat into the hole of the front lower coil spring insulator.

3. INSTALL FRONT SPRING BUMPER

(a) Install the front spring bumper to the front shock absorber assembly. NOTICE: Face the smaller diameter end of the front spring bumper downward. Do not apply lubricants to the front spring bumper. Do not apply lubricants to the front shock absorber assembly cap or rod. Do not clean the front spring bumper with water or solvent.

4. INSTALL FRONT COIL SPRING

(a) Secure SST in a vise. SST: 09727-00051 SST: 09727-30022 09727-00010 09727-00031

(b) Attach the hooks of each SST arm across the diameter of the coil spring.

CAUTION:

• Make sure that the hooks are securely attached to the coil spring.
• If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
• Make sure that the hooks of the upper and lower SST arms are attached to the coil spring so that the distance between the hooks is as large as possible.
• If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
• Make sure that the arms of SST are parallel and the number of coils between the arms is the same on each side.
• If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.

(c) Install the stopper pins to the hooks of SST.

CAUTION:

• Make sure that the stopper pins are installed securely.
• If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.

(d) Using SST, compress the coil spring.

CAUTION:

• If the coil spring starts to bow out while using SST, stop immediately and reattach SST correctly.
• If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
• Do not compress the coil spring to the point where the coils touch each other.
• If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.
• Do not use an impact wrench.
• If an impact wrench is used, the threads of SST may be damaged, or sudden compression of the coil spring may cause a hook to disengage and the coil spring to fly out, resulting in injury.
• If a stopper pin touches the coil spring while using SST, remove the stopper pin and continue with the procedure.
• If a stopper pin is removed, install a coil spring stopper belt as shown in the illustration.
• If a hook disengages from the coil spring, the coil spring may fly out, resulting in injury.

SST: 09727-00110

(e) Align the end of the front coil spring with the flange of the front lower coil spring insulator and install the front coil spring. NOTICE: Make sure to fit the end of the front coil spring that has the larger diameter into the depression of the front lower coil spring insulator.

*a Depression

5. INSTALL STRUT MOUNTING BEARING

(a) Install the strut mounting bearing to the front No. 1 shock absorber dust cover. NOTICE: Make sure that the top end of the front No. 1 shock absorber dust cover and strut mounting bearing are securely attached.

*1 Strut Mounting Bearing *a Top End of the Front No. 1 Shock Absorber Dust Cover

6. INSTALL FRONT UPPER COIL SPRING INSULATOR

(a) Install the front upper coil spring insulator to the strut mounting bearing.

7. INSTALL STRUT MOUNTING BEARING WITH DUST COVER

(a) Install the strut mounting bearing with dust cover to the front shock absorber assembly.

8. INSTALL FRONT SUSPENSION SUPPORT SUB-ASSEMBLY

(a) Install the front suspension support sub-assembly as shown in the illustration.

*a	Slot
	Outside of the Vehicle

NOTICE:

Check that the slot on the piston rod and the slot on the front suspension support sub-assembly are aligned.

(b) Align the alignment mark of the front suspension support sub-assembly with the front shock absorber lower bracket as shown in the illustration.

*a	0° +/- 3°
*b	15°
*c	Alignment Mark of Front Suspension Support Sub-assembly
*d	Guide Line of Front Suspension Support Sub-assembly
*e	Alignment Mark of Strut Mounting Bearing
*f	Front Shock Absorber Lower Bracket
*g	Arrow of Shock Absorber Dust Cover
	Outside of the Vehicle

NOTICE:

Make sure to install the front suspension support sub-assembly so that the alignment mark of the front suspension support sub-assembly is aligned within +/- 3° of the center of the front shock absorber lower bracket.

(c) Align the alignment mark of the strut mounting bearing with the guide line of the front suspension support sub-assembly as shown in the illustration.

NOTICE:

Make sure to install the strut mounting bearing so that the alignment mark of the strut mounting bearing is aligned within +/- 15° of the guide line of the front suspension support sub-assembly.

(d) Align the arrow of the shock absorber dust cover with the alignment mark of the strut mounting bearing as shown in the illustration.

9. TEMPORARILY TIGHTEN FRONT SUPPORT TO FRONT SHOCK ABSORBER NUT

(a) Temporarily tighten a new front support to front shock absorber nut.

(b) Remove SST from the front coil spring.

NOTICE:

Do not use an impact wrench. It will damage SST.

10. CONNECT FRONT NO. 1 SHOCK ABSORBER DUST COVER

(a) Connect the end of the front No. 1 shock absorber dust cover with the claws of the front shock absorber assembly. NOTICE: Make sure that the end of the front No. 1 shock absorber dust cover is securely attached to the claws of the front shock absorber assembly. Make sure there is no excessive damage to the bellows of the front No. 1 shock absorber dust cover. Do not allow oil, grease, etc., to contact the front No. 1 shock absorber dust cover. If there is oil or grease on the insulator, wipe clean with a cloth. Do not use an alcohol based cleaner.

*1 Front No. 1 Shock Absorber Dust Cover *a Claw

11. INSTALL FRONT SHOCK ABSORBER WITH COIL SPRING

(a) Install the front shock absorber with coil spring (upper side) with the 3 nuts.

Torque:

50 N·m {510 kgf·cm, 37 ft·lbf}

(b) Install the front shock absorber with coil spring (lower side) to the steering knuckle with the 2 bolts and 2 nuts.

Torque:

290 N·m {2957 kgf·cm, 214 ft·lbf}

NOTICE:

• When installing the nuts, keep the bolts from rotating.
• Do not apply lubricants to the steering knuckle and shock absorber contact surfaces.

HINT:

The bolts can be installed in either direction, however, make sure that they are both installed in the same direction.

12. FULLY TIGHTEN FRONT SUPPORT TO FRONT SHOCK ABSORBER NUT

(a) Fully tighten the front support to front shock absorber nut.

Torque:

47 N·m {479 kgf·cm, 35 ft·lbf}

NOTICE:

Perform this step only when the front shock absorber with coil spring has been disassembled.

13. INSTALL FRONT SPEED SENSOR (w/o AVS)

(a) Engage the 2 hooks to install the front speed sensor clamp bracket.

Hook

NOTICE:

Do not twist the front speed sensor when installing it.

(b) Install the front speed sensor and front flexible hose to the front shock absorber assembly with the bolt. Torque: 29 N·m {296 kgf·cm, 21 ft·lbf} NOTICE: Do not twist the front flexible hose when installing it.

(c) Engage the clamp.

NOTICE:

Do not twist the front speed sensor when installing it.

14. INSTALL FRONT SPEED SENSOR (w/ AVS)

(a) Engage the 2 hooks to install the front speed sensor clamp bracket.

Hook

NOTICE:

Do not twist the front speed sensor when installing it.

(b) Install the front speed sensor wire and front flexible hose to the front shock absorber assembly with the 2 bolts. Torque: 29 N·m {296 kgf·cm, 21 ft·lbf} NOTICE: Do not twist the front speed sensor wire or front flexible hose when installing them. HINT: Install the front speed sensor wire bracket first.

(c) Connect the AVS connector to the absorber control actuator.

(d) Connect the front speed sensor wire connector to the sensor bracket.

15. INSTALL FRONT STABILIZER LINK ASSEMBLY

(a) Install the front stabilizer link assembly to the front shock absorber assembly with the nut.

Torque:

74 N·m {755 kgf·cm, 55 ft·lbf}

HINT:

If the ball joint turns together with the nut, use a 6 mm hexagon socket wrench to hold the stud bolt.

16. INSTALL COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

Click here

17. INSTALL FRONT WHEEL

Click here

18. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT

Click here

19. PERFORM INITIALIZATION