Table of contents: Description ↓ Preliminary check ↓ Checking the camber angles,…↓ Checking wheel alignment ↓ Checking the rotation angle ↓
Description
Measure the front wheel alignment angles in an unloaded condition, which means full fuel, coolant and engine oil. However, the spare tire, jack and tools should be removed.
Preliminary check
1. Check that the tire pressure is normal and that there is no wear.
2. Check the runout of the running wheels.
3. Check the axial play in the wheel bearings.
4. Check the axial play in the lower ball joint.
5. Check the operation of the rack.
6. Check that the axle and suspension fastening elements are tight and not deformed.
7. Check for cracks, deformation or other damage on the rods and levers.
8. Check the unloaded height of the vehicle.
Checking the camber angles, longitudinal and transverse tilt angles of the wheel steering axis.
The camber, longitudinal and transverse tilt angles of the steering axis cannot be adjusted.
Before checking, roll the car with the front wheels on the steering angle measuring gauge. Place a stand of the same height under the rear wheels so that the car is in a horizontal position.
1. Measure the camber angles, longitudinal and transverse tilt angles of the steering axis of the right and left wheels using a suitable gauge.
Camber: from -0°48' to 0°42'
Pivot axis tilt angle: from 3°45' to 5°15'
Angle of transverse tilt of the pivot axis: from 9°00' to 10°30'
2. If the camber, caster and lateral tilt angles of the steering axis are different from the norm, check the front suspension components. Replace damaged or worn parts if necessary.
Checking wheel alignment
Measure the wheel alignment as follows:
Attention:
- Always take measurements on a flat surface.
- Before rolling the car, make sure there is no one in front of it.
1. Rock the front of the car to stabilize the suspension.
2. Roll the vehicle straight forward for approximately 5 m.
3. Place a mark at the tread baseline (rear) of both wheels at the height of the hub center. These marks will be the measurement points.
4. Slowly roll the car forward so that the wheels turn 180° (1/2 turn).
If the wheels have turned more than 180° (1/2 turn), perform the above procedure again from the beginning. Do not roll the vehicle backwards.
5. Measure the distance "B" (from the front side).
Overall toe-in: 2-0 mm
Checking the rotation angle
1. Set the front wheels to the straight-ahead position. Roll the car with the front wheels onto the steering angle gauge.
2. Turn the steering wheel fully to the right and left and measure the turning angle.