Front Wheel Alignment: Inspection

Measure Vehicle Height

Fig 1: Identifying Vehicle Height Measuring Points

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Vehicle height:

VEHICLE HEIGHT MEASURING

Area

Specification

Front⁽¹⁾

192.4 mm (7.57 in.)

Rear⁽²⁾

266 mm (10.47 in.)

⁽¹⁾	Front measuring point Measure the distance from the ground to the center of the front side lower suspension arm mounting bolt.

⁽²⁾	Rear measuring point Measure the distance from the ground to the center of the front side strut rod mounting bolt.

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

If the vehicle height is not the specified value, try to adjust it by pushing down on or lifting the body.

Install Camber-Caster-Kingpin Gauge Or Position Vehicle On Wheel Alignment Tester

Fig 2: Identifying Alignment Tester & Gauge
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Follow the specific instructions of the equipment manufacturer.

Inspect Camber, Caster And Steering Axis Inclination

CAMBER, CASTER AND STEERING AXIS INCLINATION SPECIFICATIONS

Area	Specifications
Camber Right-left error	-0°48' +/- 45' (-0.80° +/- 0.75°) 45' (0.75°) or less)
Caster Right-left error	3°05' +/- 45' (3.08° +/- 0.75°) 45' (0.75°) or less
Steering axis inclination Right-left error	14°55' +/- 45'(14.92° +/-0.75°) 45' (0.75°) or less)

If the caster and steering axis inclination are not within the specified values, after the camber has been correctly adjusted, re-check the suspension parts for damaged and/or worn out parts.

Adjust Camber
NOTE: After the camber has been adjusted, inspect the toe-in.
1. Remove the front wheel.
2. Remove the 2 nuts on the lower side of the shock absorber.
  
  Fig 3: Removing Nuts On Lower Side Shock Absorber
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Coat the threads of the nuts with engine oil.
4. Temporarily install the 2 nuts.
5. Adjust the camber by pushing or pulling the lower side of the shock absorber in the direction in which the camber adjustment is required.
  
  Fig 4: Adjusting Camber
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
6. Tighten the nuts.
  Torque: 140 N.m (1,430 kgf.cm, 103 ft.lbf)
7. Install the front wheel.
  Torque: 103 N.m (1,050 kgf.cm, 76 ft.lbf)
8. Check the camber.
  NOTE:
  - Try to adjust the camber to the center of the specified value.
  - Adjusting value for the set bolts is 6' - 30' (0.1° - 0.5°).
  If the camber is not within the specified value, using the following table, estimate how much additional camber adjustment will be required, and select the camber adjusting bolt.
  
  NOTE: Tighten the adjusting bolt with a washer and a new nut.
  
  Fig 5: Displaying Bolt Adjusting Values
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
9. Do the steps mentioned above again. Between step (b) and (c), replace 1 or 2 selected bolts.
  NOTE: When replacing the 2 bolts, replace 1 bolt for each time.

Inspect Toe-In

Fig 6: Inspecting Toe-in Angle

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

TOE-IN SPECIFICATION

Toe-in (total)	Specification
A + B:	0°09' +/- 12' (0.15° +/- 0.2°)
C - D:	1.5 +/- 2 mm (0.06 +/- 0.08 in.)

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

Adjust Toe-In
1. Remove the rack boot set clips.
2. Loosen the tie rod end lock nuts.
  
  Fig 7: Adjusting Toe-In
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Turn the right and left rack ends by an equal amount to adjust the toe-in.
  NOTE: Try to adjust the toe-in to the center of the specified value.
4. Make sure that the lengths of the right and left rack ends are the same.
  
  Fig 8: Checking Lengths Of Right & Left Rack Ends
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Rack end length difference: 1.5 mm (0.059 in.) or less
5. Torque the tie rod end lock nuts.
  Torque: 47 N.m (479 kgf.cm, 35 ft.lbf)
6. Place the boots on the seats and install the clips.
  NOTE: Make sure that the boots are not twisted.

Inspect Wheel Angle

Fig 9: Measuring Front Wheel Turning Angle

Turn the steering wheel fully, and measure the turning angle.

WHEEL TURNING ANGLE

Wheel	Specification
Inside	38°00' +/- 2° (38.00° +/- 2°)
Outside: Reference	32°56' (32.93°)

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