Steering Wheel Effort Inspection

WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the following points:
- Tire size and tire pressure
- Fluid level
- Drive belt deflection
With the vehicle on a hard, level surface, put the wheels in the straight-ahead position.
Remove the air bag module.
WARNING:
- See DRIVER-SIDE AIR BAG MODULE for removal/installation of the air bag module after inspection.
Start the engine and warm the power steering fluid to 50-60 °C {122-140 °F}.
Measure the steering wheel effort using a torque wrench.
If not within the specification, inspection the following:
- Air in steering system.
- Fluid leakage at hose or connectors.
- Function of oil pump and steering gear.
Fig 1: Measuring Steering Wheel Effort
Courtesy of MAZDA MOTORS CORP.

Steering Wheel Effort

7.8 N.m {80 kgf.cm, 69 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.