Component Tests and General Diagnostics

Over-Run Alternator Decoupler (OAD) Pulley Inspection

Special Tools Required

- Alternator OAD Pulley Holder 07AAB-TK8A100

'11-12 models

1. Remove the alternator.

2. Clamp the alternator firmly in a vise.

3. Remove the over-run alternator decoupler (OAD) pulley seal cap by piercing the center of the rubber cap with a flat screwdriver and prying it loose.

NOTE: While the cap is off, the grease inside the OAD pulley is exposed. Do not wipe the grease off, and make sure it does not become contaminated.

4. Insert the alternator OAD pulley holder into the OAD pulley.

5. Place beam type torque wrench (A) with a 17 mm socket wrench (B) on the alternator OAD pulley holder.





6. While holding the OAD pulley (C), rotate the alternator shaft counterclockwise. Make sure the alternator shaft locks when the specified torque is applied:





- If the alternator shaft locks, go to step 7.
- If it does not lock, replace the OAD pulley Service and Repair.

7. While holding the OAD pulley (A), rotate the alternator shaft clockwise. Check that the alternator shaft rotates at the specified torque or less:





- If the alternator shaft rotates at the specified torque or less, it is OK. Go to step 8.
- If it does not rotate at the specified torque or less, replace the OAD pulley Service and Repair.





8. Install the new OAD pulley seal cap.

9. Install the alternator.