Steering Wheel Turning Force
1. Park vehicle on a level, dry surface and set parking brake.
2. Start engine and run at idle speed or 1,000 rpm.
3. Bring power steering fluid up to adequate operating temperature. [Make sure temperature of fluid is approximately 60 to 80°C (140 to 176°F).]
Tires need to be inflated to normal pressure.
4. Check steering wheel turning force when steering wheel has been turned 360° from neutral position.
Steering wheel turning force:
PB48S-type 24.5 - 29.4 Nm (2.5 - 3.0 kg, 5.5 - 6.6 lbs.)
PB59K-type 39 Nm (4 kg, 9 lbs.) or less
5. If steering wheel turning force is out of specification, check the following:
a. Hydraulic system, Refer to Checking Hydraulic System.
b. Steering Column.
c. Front suspension and axle.
d. Steering gear turning torque.