Check the wheel alignment angles on a car without load, with a half-filled fuel tank, normal air pressure in the tires, in the absence of excessive play in the suspension units.
After placing the car on the stand, just before checking the corners, «press» car suspension, applying two or three times a force of 392–490 N (40–50 kgf), directed from top to bottom, first to the rear bumper, and then to the front. The wheels of the vehicle must be parallel to the longitudinal axis of the vehicle.
When checking and adjusting the front wheel alignment, first check the caster angle, then the camber angle, and lastly the toe-in.
The angle of longitudinal inclination of the axis of rotation of the front wheel is formed by a vertical line and a line passing through the middle of the upper support of the telescopic strut and the center of the ball bearing sphere fixed on the lower arm. Adjusting the angle of the longitudinal inclination of the axis of rotation is not provided for by the design of the car.
The camber angle of the front wheels is characterized by the deviation of the mean plane of rotation of the wheel from the vertical. Adjustment of a corner of disorder of forward wheels is not provided by a design of the car.
The convergence of the front wheels is the angle between the plane of rotation of the wheel and the longitudinal axis of the vehicle. The convergence of the front wheels is regulated by changing the length of the steering rods.
Adjustment of camber and toe angles of the rear wheels is not provided by the vehicle design. The discrepancy between the actual values measured on the vehicle and the reference values indicated below may be caused by wear and deformation of the suspension parts, as well as deformation of the body. If deviations are found in the parameters of the rear suspension, caused by the deformation of its elements and the body, it is necessary to find the cause of the deviations and eliminate it by replacing the failed parts.
Attention! Replacing or repairing suspension parts can change wheel alignment, so checking wheel alignment is a must.
Wheel alignment
The angle of the longitudinal inclination of the axis of rotation of the front wheels - 2°42'±30'
Camber angle: front wheels -0°10'±30' rear wheels -0°51'±15'
Toe-in: front wheels - -0°10'±10' rear wheels - +0°44'±15'
The maximum difference in the installation angles of the right and left wheels is 1°