GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Allure 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Generator Replacement

Generator Replacement L26

Removal Procedure

    Object Number: 302324 Size: MH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the drive belt from the generator. Refer to Drive Belt Replacement.
  3. Remove the generator rear brace. Refer to Generator Brace Replacement.
  4. Remove the bolts (1, 3) and the stud (2) from the generator.
  5. Disconnect the electrical connector from the generator.
  6. Position aside the protective boot from the generator output BAT terminal for access.
  7. Remove the generator output BAT terminal nut and remove the positive battery lead from the generator.
  8. Remove the generator.

Installation Procedure
  1. Position the generator to the engine.

    2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 302324 Size: MH
  2. Install the positive battery lead to the generator.
  3. Install the generator output BAT terminal nut.

    4. Tighten
    Tighten the generator output BAT terminal nut to 20 N·m (15 lb ft).

  4. Install the protective boot to the generator output BAT terminal.
  5. Connect the electrical connector to the generator.

    6. Note: Do not tighten the stud.

  6. Install the generator stud (2) to the generator bracket.

    7. Note: Do not tighten the bolts.

  7. Install the generator bolts (1, 3) to the generator bracket.
  8. Tighten the generator bolts and stud in the order described. The following is a mandatory torque sequence:

    9. Tighten

    1. Tighten the generator bolt (1) to 50 N·m (37 lb ft).
    2. Tighten the generator stud (2) to 50 N·m (37 lb ft).
    3. Tighten the generator rear bracket bolt (3) to 50 N·m (37 lb ft).
  9. Install the generator rear brace. Refer to Generator Brace Replacement.
  10. Install the drive belt. Refer to Drive Belt Replacement.
  11. Connect the negative battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.

Generator Replacement LS4

Removal Procedure

    Object Number: 1552786 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.
  3. Remove the drive belt. Refer to Drive Belt Replacement - Accessory.
  4. Disconnect the generator electrical connector (2).
  5. Position aside the protective boot (1) from the generator output BAT terminal for access.
  6. Remove the generator output BAT terminal nut (4) and remove the positive battery lead (3) from the generator.

    7. Object Number: 1552788 Size: SH
  7. Remove the generator bolts and generator.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1552788 Size: SH
  1. Install the generator and bolts.

    2. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 1552786 Size: SH
  2. Install the positive battery lead (3) and generator output BAT terminal nut (4) to the generator.

    3. Tighten
    Tighten the nut to 20 N·m (15 lb ft).

  3. Position the protective boot (1) to the generator output BAT terminal.
  4. Connect the generator electrical connector (2).
  5. Install the drive belt. Refer to Drive Belt Replacement - Accessory.
  6. Install the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement.
  7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.