Toyota Avalon (XX50): Front Lower Suspension Arm

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Suspension / Front Suspension / Front Lower Suspension Arm

Components

COMPONENTS

ILLUSTRATION

*A

for HV Model

*B

for Gasoline Model

*1

FRONT FENDER APRON SEAL LH

*2

FRONT FLOOR COVER LH

*3

FRONT WHEEL OPENING EXTENSION PAD LH

*4

FRONT WHEEL OPENING EXTENSION PAD RH

*5

NO. 1 ENGINE UNDER COVER

*6

NO. 2 ENGINE UNDER COVER ASSEMBLY

*7

REAR ENGINE UNDER COVER LH

-

-

N*m (kgf*cm, ft.*lbf): Specified torque

-

-

ILLUSTRATION

*1

FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY

*2

FRONT LOWER ARM BUSHING STOPPER

*3

FRONT FRAME ASSEMBLY

-

-

Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping": N*m (kgf*cm, ft.*lbf)

-

-

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 FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY

(a) Install the front lower arm bushing stopper to the front lower No. 1 suspension arm sub-assembly.

(b) Install the front lower No. 1 suspension arm sub-assembly to the front frame assembly with the 3 bolts and nut in the order shown in the illustration.

Torque:

Bolt (1), (2) :

200 N·m {2039 kgf·cm, 148 ft·lbf}

Bolt (3) :

135 N·m {1377 kgf·cm, 100 ft·lbf}

NOTICE:

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

(c) Connect the front lower No. 1 suspension arm sub-assembly to the front lower ball joint assembly with the bolt and 2 nuts.

Torque:

92 N·m {938 kgf·cm, 68 ft·lbf}

2. INSTALL FRONT FENDER APRON SEAL LH

for HV Model: Click here

for Gasoline Model: Click here

3. INSTALL FRONT FLOOR COVER LH

for HV Model: Click here

for Gasoline Model: Click here

4. INSTALL NO. 2 ENGINE UNDER COVER ASSEMBLY (for HV Model)

Click here

5. INSTALL REAR ENGINE UNDER COVER LH (for Gasoline Model)

Click here

6. INSTALL NO. 1 ENGINE UNDER COVER

for HV Model: Click here

for Gasoline Model: Click here

7. INSTALL FRONT WHEEL OPENING EXTENSION PAD LH

for HV Model: Click here

for Gasoline Model: Click here

8. INSTALL FRONT WHEEL OPENING EXTENSION PAD RH

for HV Model: Click here

for Gasoline Model: Click here

9. INSTALL FRONT WHEEL

Click here

10. INSPECT AND ADJUST FRONT WHEEL ALIGNMENT

Click here

11. PERFORM INITIALIZATION

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:

for Gasoline Model:
  • Intelligent Clearance Sonar System
  • Intuitive Parking Assist System

Click here

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 front lower No. 1 suspension arm sub-assembly removal/installation are shown below.

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

Front wheel alignment adjustment

  1. Clear zero point calibration data.
  2. 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:

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

Front 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:

HINT:

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

PROCEDURE

1. REMOVE FRONT WHEEL

Click here

2. REMOVE FRONT WHEEL OPENING EXTENSION PAD LH

for HV Model: Click here

for Gasoline Model: Click here

3. REMOVE FRONT WHEEL OPENING EXTENSION PAD RH

for HV Model: Click here

for Gasoline Model: Click here

4. REMOVE NO. 1 ENGINE UNDER COVER

for HV Model: Click here

for Gasoline Model: Click here

5. REMOVE NO. 2 ENGINE UNDER COVER ASSEMBLY (for HV Model)

Click here

6. REMOVE REAR ENGINE UNDER COVER LH (for Gasoline Model)

Click here

7. REMOVE FRONT FLOOR COVER LH

for HV Model: Click here

for Gasoline Model: Click here

8. REMOVE FRONT FENDER APRON SEAL LH

for HV Model: Click here

for Gasoline Model: Click here

9. REMOVE FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY

(a) Remove the bolt and 2 nuts and separate the front lower No. 1 suspension arm sub-assembly from the front lower ball joint assembly.

(b) Remove the 3 bolts, nut and front lower No. 1 suspension arm sub-assembly from the front frame assembly.

NOTICE:

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

(c) Remove the front lower arm bushing stopper from the front lower No. 1 suspension arm sub-assembly.

Front Lower Ball Joint

Front Shock Absorber

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual > Toyota Avalon (XX50) 2019-2022 Owners Manual: Pictorial index
Exterior Doors Locking/unlocking Opening/closing the side windows Locking/unlocking by using the mechanical key Trunk Opening from inside Opening from outside Outside rear view mirrors Adjusting the mirror angle Folding the mirrors Driving position memory Defogging the mirrors Windshield wipers Prec ...

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

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