F 350 4WD Super Duty V8-6.0L DSL Turbo VIN P (2004)
Starter Motor: Testing and Inspection
Starter Motor - Drive Pinion Test
STARTER MOTOR - DRIVE PINION TEST
1. Rotate the pinion drive clockwise and counterclockwise.
2. The pinion drive should free-wheel in one direction and lock to the armature shaft in the other.
3. If the pinion drive free-wheels in both directions, Install a new starter motor.