Front Wheel Alignment: Adjustment

INSPECT TIRES
(See INSPECTION )

MEASURE VEHICLE HEIGHT

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

Vehicle Height : for USA, Canada

Fig 1: Measuring Vehicle Height

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

VEHICLE HEIGHT SPECIFICATION

Front (A-B)	Rear (D-C)
89 mm (3.50 in.)	41 mm (1.61 in.)

Vehicle Height : for Mexico

VEHICLE HEIGHT SPECIFICATION

Front (A-B)	Rear (D-C)
74 mm (2.91 in.)	30 mm (1.18 in.)

Measuring points:

Ground clearance of front wheel center
Ground clearance of lower suspension arm No. 1 bushing front bolt center
Ground clearance of axle beam set bolt center
Ground clearance of rear wheel center

NOTE: Before inspecting the wheel alignment, adjust the vehicle height to the specified value.

HINT:

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

INSPECT TOE-IN

Measure the distance between the tread center marks on the front side of the wheels.

TOE-IN SPECIFICATION

Toe-in (total)
A + B : 0° +- 12' (0° +- 0.2°) C - D : 0 +- 2 mm (0 +- 0.08 in.)

HINT:

Measure "C - D" only when "A + B" cannot be measured.
If the toe-in is not within the specified value, adjust it at the rack ends.

Fig 2: Measuring Distance Between Tread Center Marks On Front Side Of Wheels
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

ADJUST TOE-IN
1. Measure the thread lengths of the right and left rack ends.
  Standard : Difference in thread length of 1.5 mm or less
2. Remove the rack boot set 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 toe-in.
  HINT:
  
  Try to adjust toe-in to the center of the specified range.
6. Make sure that the lengths of the right and left rack ends are the same.
  Standard : 0 +- 1 mm
  
  Fig 3: Locating Tie Rod End Lock Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
7. Torque the tie rod end lock nuts.
  Torque : 74 N*m (749 kgf*cm, 54 ft.*lbf)
  
  NOTE: Temporarily tighten the lock nut while holding the hexagonal part of the steering rack end so that the lock nut and the steering rack end do not turn together. Hold the width across flat of the tie rod end and tighten the lock nut.
8. Place the boots on the seats and install the clips.
  HINT:
  
  Make sure that the boots are not twisted.
9. Perform VSC system calibration (See CALIBRATION ).

INSPECT WHEEL ANGLE

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

Wheel turning angle : for USA, Canada

Fig 4: Inspecting Wheel Turning Angle

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

WHEEL TURNING ANGLE SPECIFICATION

Inside wheel	Outside wheel (Reference)
36°40' +- 2° (36.67° +- 2°)	31°53'(31.88°)

Wheel turning angle : for Mexico

WHEEL TURNING ANGLE SPECIFICATION

Inside wheel	Outside wheel (Reference)
36°55; +- 2° (36.92° +- 2°)	32°11' (32.18°)

If the right and left inside wheel angles differ from the specified range, check the lengths of the right and left rack ends.

INSPECT CAMBER, CASTER AND STEERING AXIS INCLINATION

Place a front wheel on the center of the turning radius gauge.
Remove the center ornament.
Install the camber-caster-king pin gauge at the center of the axle hub or drive shaft.

Inspect the camber, caster, and steering axis inclination.

Camber, caster, and steering axis inclination : for USA, Canada

Fig 5: Inspecting Camber, Caster And Steering Axis Inclination

CAMBER AND CASTER ANGLE SPECIFICATION

Camber angle	Caster angle	Steering axis inclination angle
-0°34' +- 45'	2°47' +- 45'	12°28' +- 45'
(-0.57° +- 0.75°)	(2.78° +- 0.75°)	(12.47° +- 0.75°)
45' (0.75°) or less	45' (0.75°) or less	45' (0.75°) or less

Camber, caster, and steering axis inclination : for Mexico

CAMBER AND CASTER ANGLE SPECIFICATION

Camber angle	Caster angle	Steering axis inclination angle
-0°24' +- 45'	2°40' +- 45'	12°05' +- 45'
(-0.40° +- 0.75°)	(2.67° +- 0.75°)	(12.08° +- 0.75°)
45' (0.75°) or less	45' (0.75°) or less	45' (0.75°) or less

NOTE:

Inspect while the vehicle is empty.
The maximum tolerance of right and left difference for the camber and caster is 30' (0.5°) or less.

Remove the camber-caster-king pin gauge.
Install the center ornament.
If the caster and steering axis inclination are not within the specified values after the camber has been correctly adjusted, recheck the suspension parts for damaged and/or worn out parts.

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 shock absorber.
Clean the installation surface of the shock absorber and the steering knuckle.
Temporarily install the 2 nuts.

Fig 6: Locating Lower Side Front Shock Absorber Nuts
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fully push or pull the front axle hub in the direction of the required adjustment.
Tighten the nuts.
Torque: 220 N*m (2,243 kgf*cm, 162 ft.*lbf)

NOTE: Keep the bolts from rotating and torque the nuts.
Install the front wheel.
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
Check the camber.
If the measured value is not within the specified range, calculate the required adjustment amount using the formula below.

(Camber adjustment amount) = Center of the specified range - Measured value

Fig 7: Pushing Or Pulling Front Axle Hub To Adjust Camber
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Check installed bolts combination. Select appropriate bolts from the table below to adjust the camber to within the specified range.

FRONT AXLE HUB SPECIFICATION

Move the axle toward (+)	Refer to table (1) (Move the axle toward positive side)
Move the axle toward (-)	Refer to table (2) (Move the axle toward negative side)

Fig 8: Checking Installed Bolts Combination

Check the table (1) (Move the axle toward positive side) below. See Fig 9.

Fig 9: Bolt Adjusting Value Specification Chart (Table 1)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
The body and suspension may be damaged if the camber is not correctly adjusted according to the above table.
NOTE: Replace the nut with a new one when replacing the bolt.
Repeat the steps mentioned above. Replace 1 or 2 selected bolts.
HINT:

Replace one bolt at a time when replacing 2 bolts.

Fig 10: Identifying Bolt Diameter Specification
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Check the table (2) (Move the axle toward negative side) below. See Fig 11.

Fig 11: Bolt Adjusting Value Specification Chart (Table 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
The body and suspension may be damaged if the camber is not correctly adjusted according to the above table.
NOTE: Replace the nut with a new one when replacing the bolt.
Repeat the steps mentioned above. Replace 1 or 2 selected bolts.
HINT:

Replace one bolt at a time when replacing 2 bolts.

Fig 12: Identifying Bolt Diameter Specification
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002