Pinpoint Test D: Steering System Drift/Pull/Wander
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
- D1 CHECK FOR TIRE PULL
- Rotate the front wheel and tire assemblies side to side. Refer to WHEELS AND TIRES article.
- Carry out a road test on a smooth, flat road.
- Does the vehicle drift/pull?
- D2 ROTATE THE WHEEL AND TIRE ASSEMBLIES FRONT TO REAR
- Rotate the wheel and tire assemblies front to rear. Refer to WHEELS AND TIRES article.
- Carry out a road test on a smooth, flat road.
- Does the vehicle drift/pull?
- YES : Go to D3.
- NO : The concern has been corrected.
- D3 CHECK THE STEERING COLUMN SHAFT NOTE: Be sure to keep the clockspring centered when disconnecting the intermediate shaft. Refer to the appropriate Body article for the procedure.
- Check the steering column and steering column shaft for grounding.
- Disconnect the steering column steering column shaft at the steering column.
- Inspect the steering column steering column shaft U-joints for looseness or wear.
- Are the steering column intermediate shaft U-joints OK?
- YES : Go to D4.
- NO : INSTALL a new steering column shaft as necessary. REFER to STEERING COLUMN article.
- D4 CHECK THE STEERING GEAR MOUNTING
- Check the steering gear mounts for looseness or wear.
- Are the steering gear mounts OK?
- YES : Go to D5.
- NO : INSTALL a new steering gear as necessary. REFER to POWER STEERING article.
- D5 CHECK THE STEERING GEAR
- Carry out the Steering Gear Valve Component Tests .
- Is the steering gear valve OK?
- YES : Go to D6.
- NO : REPAIR or INSTALL a new steering gear as necessary. REFER to POWER STEERING article.
- D6 CHECK THE SUSPENSION COMPONENTS
- Check for loose or worn suspension components.
- Are the suspension components OK?
- YES : Go to D7.
- NO : INSTALL new suspension components as necessary. Refer to the appropriate Suspension article for the procedure.
- D7 CHECK THE WHEEL ALIGNMENT NOTE: The vehicle will tend to pull toward the side with the least positive caster and the most positive camber.
- Using a suitable alignment system, measure the wheel alignment settings. Refer to SUSPENSION SYSTEM - GENERAL INFORMATION article.
- Are the alignment settings within specifications?
- YES : CHECK for correct frame alignments. Refer to the appropriate Frame and Mounting article for the procedure.
- NO : ADJUST the alignment angles to specifications. DO NOT exceed the specifications. TEST the system for normal operation.