Alternator: Service and Repair

Generator - Gasoline Engines

6.2L Engine









6.8L Engine









All vehicles

1. Disconnect the battery. For additional information, refer to Battery, Mounting and Cables Battery Disconnect / Connect.

6.8L vehicles

2. Remove the Air Cleaner (ACL) outlet pipe. For additional information, refer to Intake Air Distribution and Filtering Diagrams.

6.2L vehicles

3. Remove the air intake expansion resonator. For additional information, refer to Intake Air Distribution and Filtering Diagrams.

All vehicles

4. Release the accessory drive belt tension and remove the drive belt from the generator pulley.

5. Disconnect the generator electrical connector.

6. Remove the nut and position the generator B+ terminal aside.
- To install, tighten to 17 Nm (150 lb-in).

6.2L vehicles

7. Remove the 3 bolts, the generator bracket and the generator.
- To install, tighten to 47 Nm (35 lb-ft).

6.8L vehicles

8. Remove the 4 bolts and the generator bracket.
- To install, tighten to 10 Nm (89 lb-in).

9. Remove the 2 generator bolts and the generator.
- To install, tighten to 25 Nm (18 lb-ft).

All vehicles

10. To install, reverse the removal procedure.