Pinpoint Tests R: Steering Column Mounted EPAS - Excessive Steering Wheel Play
WARNING: This page is about a different car, the 2013 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
This pinpoint test is intended to diagnose vehicles with steering column mounted EPAS systems only. Do not use this pinpoint test to diagnose vehicles with steering gear mounted EPAS systems.
- R1: CHECK THE STEERING COLUMN SHAFT FASTENERS
Check the steering column assembly for loose fasteners.
Check the steering gear for loose fasteners, worn or damaged bushings.
Are the fasteners and bushings in good condition?
Yes No Go to R2. For loose fasteners:
TIGHTEN the fasteners as necessary.
REFER to specifications in POWER STEERING SYSTEM and STEERING COLUMN as necessary.
For worn steering gear bushing (s):
Install a new steering gear. - R2: CHECK THE STEERING COLUMN SHAFT U-JOINTS NOTE: The steering column must be locked in the straight ahead position using the service bolt (HB1), before the column is disconnected from the steering gear to prevent damage to the EPAS sensor internal clock-spring.
Inspect the steering column shaft U-joints for looseness or wear.
Are the steering column shaft U-joints in good condition?
Yes No Go to R3. INSTALL a new steering column shaft.
REFER to STEERING COLUMN . - R3: CHECK THE INNER AND OUTER TIE RODS FOR MOVEMENT
With the vehicle in NEUTRAL, position it on a hoist. Refer to JACKING & LIFTING .
Using hand force only, check the inner and outer tie rods for vertical and lateral movement in the tie-rod ball studs/sockets.
Are the inner and outer tie rods free from any vertical and/or lateral movement?
Yes No Go to R4. INSTALL a new inner or outer tie rod as necessary. REFER to TIE ROD -- INNER . - R4: CHECK THE SUSPENSION BALL JOINTS AND BUSHINGS FOR DAMAGE, SECURITY, EXCESSIVE FREE PLAY AND IMPEDED MOVEMENT
Check the suspension ball joints and bushings for damage, security, excessive free play and impeded movement.
Has a concern been identified?
Yes No REPAIR as necessary. Install a new steering gear. REFER to STEERING GEAR .