Motor Pinion Test

1. Remove the starter motor.
2. Place the starter motor in a vise to secure it.
3. Using a fully charged battery, connect the ground lead of the battery to the case of the starter motor.
4. Touch the positive lead from the battery to the S-terminal and verify that the starter drive ejects.

CAUTION: Do NOT leave the positive lead from the battery connected to the starter motor for more than 10 seconds .

5. If the starter drive does not eject, repair or replace the starter motor.
6. Remove the positive lead from the starter motor. The ejected starter drive should return to its original position.
7. If the starter drive does not return to its original position, repair or replace the starter motor.
8. Check the starter drive. It should turn freely in one direction and positively engage to the starter motor armature when turned in the opposite direction. If not as specified, repair or replace the starter motor.