Mazda 6 Service Manual: Steering wheel and column inspection

Steering Wheel Play Inspection

With the wheels in the straight-ahead position, gently turn the steering wheel to the left and right and verify that the play is within the specification.

• If the play exceeds the specification, either the steering joints are worn or the backlash of the steering gear is excessive. Correct as necessary.

Play
0-30 mm {0-1.18 in}

Steering Wheel Looseness Inspection

Move the steering wheel as shown in the figure to inspect for column bearing wear, steering shaft joint play, steering wheel looseness, and column looseness.

• Repair or replace as necessary.

Steering Wheel Effort Inspection

Inspect the following points:

• Tire size and tire pressure
• Fluid level
• Drive belt deflection

2. With the vehicle on a hard, level surface, put the wheels in the straight-ahead position.

3. Remove the air bag module.

Warning

• See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION for removal/installation of the air bag module after inspection.

4. Start the engine and warm the power steering fluid to 5060 ° C {122140 ° F}.

5. Measure the steering wheel effort using a torque wrench.

• If not within the specification, verify the following:

- No air in steering system

- No fluid leakage at hose or connectors

- Function of oil pump and steering gear

Steering wheel effort 7.8 N·m {80 kgf·cm, 58 in·lbf} max.

Note

• To determine whether the steering effort is satisfactory or not, perform the inspection on another vehicle of the same model and under the same conditions, and compare the results.

• The steering wheel effort varies with conditions as shown below.

- Road conditions, such as dry or wet, and asphalt or concrete.

- Tire conditions, such as brand, wear, and tire pressure.