Steering wheel free play check
Set the wheels to the straight ahead position and turn the steering wheel slightly to the left and right to check that the free play is correct.
If the steering wheel free play is not correct, the cause may be worn tie rod joints, wear or excessive clearance in the steering gear. Make repairs if necessary.
Steering wheel free play 0–30 mm.
Steering column check
Pic. 5.3. Steering column check
By moving the steering wheel, as shown in Figure 5.3, check the wear of the steering column bearing, the free play in the steering shaft hinge, the reliability of the fastening of the steering wheel and steering column.
Repair or replace parts as necessary.
Steering wheel force check
Check the following:
- tire size and tire pressure;
- fluid level in the power steering reservoir;
- power steering pump drive belt tension.
Park the vehicle on a firm, level surface with the wheels in a straight-ahead position.
Remove the airbag module.
Attention! Be careful when removing the module.
Start the engine and warm up the power steering fluid to 50-60°C.
Pic. 5.4. Steering wheel force measurement
Measure the force on the steering wheel with a torque wrench (pic. 5.4).
If the force is not correct, check the following:
- the presence of air in the hydraulic system of the power steering;
- leaks through hoses and their connections;
- operation of the power steering pump and steering gear.
Effort on the steering wheel 7.8 Nm.
Note. To check the steering force, compare it with the steering force of another vehicle of the same model under the same conditions.
The force on the steering wheel depends on the following conditions:
- road surface condition (dry or wet, asphalt or concrete);
- tire condition (manufacturer, wear rate, tire pressure).