Increase engine speed to 900–1100 min-1.
Note. After checking at a given engine speed, it is necessary to set the normal idle speed.
Pic. 5.5. Measuring the force required to turn the steering wheel
Using a spring dynamometer, measure the force required to turn the steering wheel from a straight-ahead position to the left and right (by 1.5 turns) (pic. 5.5).
The nominal value of the effort when turning the steering wheel is 29 N.
Check that there is no sudden change in the amount of turning force when the steering wheel is turned.
If the measured value of the turning force exceeds the nominal value, check for cracks and damage to the protective boots of the ball joint of the lower suspension arm and the ball joint of the tie rod end.
Check the steering pinion bearing preload and the tie rod end ball joint start torque.
Check the moment of the beginning of rotation of the spherical joint.