Step | Action | Yes | No | ||||||
---|---|---|---|---|---|---|---|---|---|
Vehicle lead or pull is the deviation of the vehicle from a straight path on a level road with no pressure on the steering wheel. Use the lead/pull correction table in order to verify that incorrect wheel alignment or worn components are not mistaken for tire lead. | |||||||||
1 | Drive the vehicle on a smooth and level road in order to verify the concern. Does the vehicle lead or pull? | System OK | |||||||
2 | Inspect the tires and the wheels for the following conditions:
Are the tire pressures and the tire sizes incorrect? | ||||||||
3 | Repair or replace the tire and wheel assemblies as necessary. Is the repair complete? | -- | |||||||
4 | Inspect the front suspension and the rear suspension for the following conditions:
Do any of the above conditions exist? | ||||||||
5 | Repair or replace components as necessary.
Is the repair complete? | -- | |||||||
6 | Inspect the Brake system for Brake drag. Refer to Brakes Drag in Hydraulic Brakes. Do the brakes drag? | ||||||||
7 | Repair or replace components as necessary. Is the repair complete? | -- | |||||||
8 | Inspect the steering effort in both directions with the vehicle parked on a smooth level surface. Is the steering effort very light in the direction of the lead and heavy in the opposite direction? | ||||||||
9 | Replace the steering gear. Refer to Steering Gear Replacement in Power Steering. Is the repair complete? | -- | |||||||
10 | Measure the wheel alignment. Refer to Wheel Alignment Measurement in Wheel Alignment. Is the wheel alignment correct? | ||||||||
11 | Adjust alignment to specifications. Is the repair complete? | -- | |||||||
12 |
Does the vehicle lead or pull? | System OK | |||||||
13 | Does the vehicle lead or pull in the opposite direction? | Go to Radial Tire Lead/Pull Correction in Tires and Wheels | |||||||
14 | Verify proper system operation. Does the vehicle lead or pull? | System Ok |