GM Service Manual Online
For 1990-2009 cars only

Generator Replacement 3.8L V6

Removal Procedure

  1. Remove the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical-3.8L.

  2. Object Number: 211637  Size: SH
  3. Disconnect the generator electrical connector.

  4. Object Number: 43670  Size: SH
  5. Remove the positive cable nut from the generator terminal.
  6. Remove the canister purge solenoid. Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement in Engine Controls-3.8L.

  7. Object Number: 43656  Size: SH
  8. Remove the generator rear brace bolt.

  9. Object Number: 43850  Size: SH
  10. Remove the generator bolts (1, 2).
  11. Remove the generator from the drive belt tensioner.

Installation Procedure

  1. Install the generator to the drive belt tensioner.

  2. Object Number: 43850  Size: SH
  3. Install the generator bolts (1, 2).
  4. Tighten

        • Tighten the generator bolt (1) to 30 N·m (22 lb ft).
        • Tighten the generator bolt (2) to 50 N·m (37 lb ft).

    Install the canister purge solenoid. Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement in Engine Controls-3.8L.


    Object Number: 43656  Size: SH
  5. Install the generator brace bolt.
  6. Tighten
    Tighten the generator brace bolt to 30 N·m (22 lb ft).


    Object Number: 43670  Size: SH
  7. Install the positive cable nut on the generator terminal.
  8. Tighten
    Tighten the positive cable nut to generator to 22 N·m (16 lb ft).


    Object Number: 211637  Size: SH
  9. Connect the generator electrical connector.
  10. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical-3.8L.

Generator Replacement 5.7L V8

Removal Procedure

  1. Remove the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical-5.7L.
  2. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  3. Object Number: 211626  Size: SH
  4. Remove the generator rear bracket mounting bolt.

  5. Object Number: 211628  Size: SH
  6. Remove the generator mounting bolts.

  7. Object Number: 211624  Size: SH
  8. Disconnect the generator electrical connector (3).
  9. Remove the generator from the vehicle.

Installation Procedure

  1. Install the generator electrical connector.

  2. Object Number: 211624  Size: SH
  3. Connect the generator electrical connector (3).

  4. Object Number: 211628  Size: SH
  5. Install the generator mounting bolts.
  6. Tighten
    Tighten the generator mounting bolts to 50 N·m (37 lb ft).


    Object Number: 211626  Size: SH
  7. Install the generator rear bracket mounting bolt.
  8. Tighten
    Tighten the rear bracket mounting bolt to 25 N·m (18 lb ft).

  9. Lower the vehicle
  10. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical-5.7L.