FRONT WHEEL ALIGNMENT ADJUSTMENT

CAUTION / NOTICE / HINT

Note

If the wheel alignment has been adjusted, or if suspension or underbody components have been removed/installed or replaced, be sure to perform the following initialization procedure in order for the system to function normally:

Perform zero point calibration of the yaw rate and acceleration sensor.

PROCEDURE

INSPECT TIRES

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MEASURE VEHICLE HEIGHT

Note

Before inspecting the wheel alignment, adjust the vehicle height to the specified value.
Be sure to perform measurement on a level surface.
If it is necessary to go under the vehicle for measurement, confirm that the parking brake is applied and the vehicle is secured with chocks.
Inspect while the vehicle is unloaded.
The standard value shown here is a value that is used for adjusting the wheel alignment and does not indicate the height of an actual vehicle.

Bounce the vehicle up and down at the corners to stabilize the suspension.

Measure the vehicle height.

Measurement points:

A: Ground clearance of front lower No. 1 suspension arm bushing set bolt center

B: Ground clearance of rear axle beam bushing set bolt center

C: Ground clearance of front wheel center

D: Ground clearance of rear wheel center

Vehicle Height (Unloaded Vehicle)

Front C - A

Rear D - B

104 mm (4.09 in.)

95 mm (3.74 in.) *1

22 mm (0.866 in.)

8 mm (0.315 in.) *1

*1: ZVW40R-AWXEBQ

INSPECT CAMBER, CASTER AND STEERING AXIS INCLINATION

Note

Inspect while the vehicle is unloaded.

Text in Illustration
*1	Turning Radius Gauge
*2	Camber-caster-kingpin Gauge

Install a camber-caster-kingpin gauge and place the front wheels on the center of a turning radius gauge.

Inspect the camber, caster and steering axis inclination.

Camber (Unloaded Vehicle)

Camber Inclination

Right-left Difference

-0°13' +/- 0°45' (-0.22° +/- 0.75°)

-0°10' +/- 0°45' (-0.17° +/- 0.75°) *1

0°45' (0.75°) or less

*1: ZVW40R-AWXEBQ

Caster (Unloaded Vehicle)

Caster Inclination

Right-left Difference

5°51' +/- 0°45' (5.85° +/- 0.75°)

5°37' +/- 0°45' (5.62° +/- 0.75°) *1

0°45' (0.75°) or less

*1: ZVW40R-AWXEBQ

Steering Axis Inclination (Unloaded Vehicle)

Steering Axis Inclination Reference

12°11' (12.18°)

11°58' (11.97°) *1

*1: ZVW40R-AWXEBQ

ADJUST CAMBER

Note

Inspect toe-in after the camber has been adjusted.

Remove the front wheel.
Remove the 2 nuts on the lower side of the front shock absorber assembly.

Note

Keep the bolts inserted.
Remove the top and bottom bolts one at a time and confirm that the steering knuckle can move freely in the front shock absorber assembly.
Tech Tips
- Reinstall each bolt after removing it and confirming steering knuckle movement.
- If the steering knuckle does not move freely in the front shock absorber assembly, clean the installation surfaces of the front shock absorber assembly and the steering knuckle.
Temporarily install the 2 nuts. (Step A)
Fully push or pull the front axle hub in the direction of the required adjustment. (Step B)
Tighten the nuts.

Torque:

240 N*m { 2447 kgf*cm, 177 ft.*lbf }

Note

Keep the bolts from rotating when tightening the nuts.
Install the front wheel.

Torque:

103 N*m { 1050 kgf*cm, 76 ft.*lbf }

Check the camber.

If the measured value is not within the specification, calculate the required adjustment amount using the formula below.

Camber adjustment amount = center of the specified range - measured value

Check the combination of the installed bolts. Select appropriate bolts from the tables below to adjust the camber to the specified values.

Tech Tips

Try to adjust the camber to the center of the specified values.

To move the axle hub toward (+) in step B	To move the axle hub toward (-) in step B
Refer to table (1) (To move the axle hub toward the positive side)	Refer to table (2) (To move the axle hub toward the negative side)

The body and suspension may be damaged if the camber cannot be correctly adjusted according to the table above.

Note

Replace the nut with a new one when replacing the bolt.

Table (1) (To move the axle hub toward the positive side)

Text in Illustration
*A	Table (1) (To move the axle hub toward the positive side)	*B	Selected Bolt Combination
*a	Installed Bolt	*b	Adjusting Value
*c	90105-17008	*d	90105-17009
*e	90105-17010	*f	90105-17011

Table (2) (To move the axle hub toward the negative side)

Text in Illustration
*A	Table (2) (To move the axle hub toward the negative side)	*B	Selected Bolt Combination
*a	Installed Bolt	*b	Adjusting Value
*c	90105-17008	*d	90105-17009
*e	90105-17010	*f	90105-17011

If the camber was out of adjustment in the previous step, perform the adjust camber steps mentioned above. In step (A), replace the existing bolts with the selected bolts.

Tech Tips

Replace one bolt at a time when replacing both bolts.

INSPECT TOE-IN

Note

Inspect while the vehicle is unloaded.

Bounce the vehicle up and down at the corners to stabilize the suspension.
Release the parking brake and move the shift lever to N.
Push the vehicle straight ahead approximately 5 m (16.4 ft.). (Step C)

Text in Illustration
*a	Tread Center Mark
*b	Dimension B
	Front of the Vehicle

Put tread center marks on the rearmost points of the front wheels and measure the distance between the marks (dimension B).

Slowly push the vehicle straight ahead to cause the front wheels to rotate 180°. Use the front tire valve as a reference point.

Tech Tips

Do not allow the wheels to rotate more than 180°. If the wheels rotate more than 180°, perform the procedure from Step C again.

Text in Illustration
*a	Dimension A
	Front of the Vehicle

Measure the distance between the tread center marks on the front of the wheels (dimension A).

Toe-in (Unloaded Vehicle)

Specified Condition
C + D: 0°10' +/- 0°12' (0.17° +/- 0.20°)
B - A: 2.0 +/- 2.0 mm (0.0787 +/- 0.0787 in.)

Tech Tips

Measure "B - A" only when "C + D" cannot be measured.

If the toe-in is not within the specified range, adjust it at the rack ends.

ADJUST TOE-IN
1. Text in Illustration
  
  *a Thread Length
  
  Make sure that the thread length of the right and left rack ends are approximately the same.
  
  Standard difference
  
  1.5 mm (0.0591 in.) or less
2. Remove the boot clips.
3. Loosen the tie rod end lock nuts.
4. Adjust the rack ends if the difference in thread length between the right and left rack ends is not within the specified range.
  1. Extend the shorter rack end if the measured toe-in deviates toward the outer-side.
  2. Shorten the longer rack end if the measured toe-in deviates toward the inner-side.
5. Turn the right and left rack ends by an equal amount to adjust the toe-in.
6. Make sure that the thread lengths of the right and left rack ends are the same.
7. Tighten the tie rod end lock nuts.
  
  Torque:
  
  74 N*m { 755 kgf*cm, 55 ft.*lbf }
8. Place the boots on the seats and install the clips.
  
  Tech Tips
  
  Make sure that the boots are not twisted.

Text in Illustration
*a	Thread Length

Standard difference
1.5 mm (0.0591 in.) or less

INSPECT WHEEL ANGLE

Text in Illustration
*a	Inside
*b	Outside
	Front of the Vehicle

Put tread center marks on the rearmost points of a turning radius gauge.

Turn the steering wheel fully to the left and right and measure the turning angle.

Note

Inspect while the vehicle is unloaded.

Wheel Turning Angle (Unloaded Vehicle)

Tire Size

Inside Wheel

Outside Wheel Reference

205/60R16

39°13' +/- 2°00' (39.22° +/- 2°)

39°26' +/- 2°00' (39.43° +/- 2°) *1

33°00' (33.00°)

33°13' (33.22°) *1

215/50R17

35°54' +/- 2°00' (35.90° +/- 2°)

30°59' (30.98°)

*1: ZVW40R-AWXEBQ

If the right and left inside wheel angles differ from the specified value, check and adjust the right and left rack end lengths.

PLACE FRONT WHEELS FACING STRAIGHT AHEAD
PERFORM YAW RATE AND ACCELERATION SENSOR CALIBRATION

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