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For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2009 🢒 G6 🢒 Engine 🢒 Engine Electrical 🢒 Generator Replacement

Generator Replacement LE5

Removal Procedure

    Object Number: 1578426 Size: SH
  1. Disconnect negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the drive belt. Refer to Drive Belt Replacement.
  3. Disconnect the generator electrical connector (1).
  4. Reposition the rubber boot (3).
  5. Remove the engine harness terminal lead to generator nut (2).
  6. Remove the engine harness terminal (4) from the generator stud.

    7. Object Number: 2094845 Size: SH
  7. Remove the generator fasteners (1,3, 4).
  8. Remove the generator.

Installation Procedure

    Object Number: 2094845 Size: SH
  1. Position the generator to the engine block.
  2. Install the generator fasteners (4) loosely.

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

  3. Install the fastener (1) and tighten to 10 N·m (89 lb in).
  4. Install the fastener (3) and tighten to 22 N·m (16 lb ft).
  5. Tighten the fasteners (4) to 22 N·m (16 lb ft).

    6. Object Number: 1578426 Size: SH
  6. Install the engine harness terminal (4) to the generator stud.
  7. Install the engine harness terminal lead to generator nut (2) and tighten to 20 N·m (15 lb ft).
  8. Position the rubber boot (3) over the stud.
  9. Connect the generator electrical connector (1).
  10. Install the drive belt. Refer to Drive Belt Replacement.
  11. Connect negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

Generator Replacement LY7

Removal Procedure

    Object Number: 1394044 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Reposition the positive battery cable boot at the generator terminal.
  3. Remove the positive battery cable nut at the generator.
  4. Remove the positive battery cable terminal from the generator.

    5. Object Number: 1394065 Size: SH
  5. Disconnect the engine harness electrical connector from the generator.
  6. Remove the drive belt. Refer to Drive Belt Replacement.

    7. Object Number: 1394079 Size: SH
  7. Remove the idler pulley. Refer to Drive Belt Idler Pulley Replacement.
  8. Remove the generator bolts.

    9. Note: When removing the generator from the vehicle, it may be necessary to maneuver the generator to remove it from the vehicle.

  9. Remove the generator.

Installation Procedure

    Object Number: 1394079 Size: SH
  1. Position the generator to the engine.
  2. Loosely install the generator bolts.
  3. Install the idler pulley. Refer to Drive Belt Idler Pulley Replacement.

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

  4. Tighten the generator bolts in the sequence shown to 50 N·m (37 lb ft).

    5. Object Number: 1394065 Size: SH
  5. Install the drive belt. Refer to Drive Belt Replacement.
  6. Connect the engine harness electrical connector to the generator.

    7. Object Number: 1394044 Size: SH
  7. Install the positive battery cable terminal to the generator.
  8. Install the positive battery cable nut at the generator and tighten to 20 N·m (15 lb ft).
  9. Position the positive battery cable boot at the generator terminal.
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

Generator Replacement LZ4

The generator does not require periodic lubrication. The rotor shaft is mounted on bearings. Each bearing contains a permanent grease supply. Periodically check the mounting bolts for tightness, and the drive belt tension. The drive belt is self-adjusting, within the operating limits of the tensioner. Refer to Engine Mechanical for tensioner information.

Removal Procedure

Note: Service the generator as a complete unit.


    Object Number: 1239071 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the drive belt. Refer to Drive Belt Replacement.
  3. Remove the generator electrical connections.
  4. Remove the generator mounting nuts and bolts.
  5. Remove the generator.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1239071 Size: SH
  1. Install the generator.

    2. Tighten

        • Tighten the bolts to 50 N·m (37 lb ft).
        • Tighten the nuts to 30 N·m (22 lb ft).
  2. Install the generator electrical connections.
  3. Install the drive belt. Refer to Drive Belt Replacement.
  4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.

Generator Replacement LZ9

Removal Procedure

    Object Number: 1584684 Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the drive belt. Refer to Drive Belt Replacement.
  3. Disconnect the engine harness electrical connector.
  4. Reposition the generator rubber boot (3).
  5. Remove the engine harness terminal nut (1).
  6. Remove the engine harness terminal (2).

    7. Object Number: 1584688 Size: SH
  7. Remove the generator lower bolt and stud.

    8. Object Number: 1584686 Size: SH
  8. Remove the generator upper bolt.
  9. Remove the generator.

Installation Procedure

    Object Number: 1584688 Size: SH
  1. Install the generator.
  2. Install the generator lower bolt and stud until snug.

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


    Object Number: 1584686 Size: SH
  3. Install the generator upper bolt.

    4. Tighten
    Tighten the bolts/stud to 50 N·m (37 lb ft).


    Object Number: 1584684 Size: SH
  4. Install the engine harness terminal (2).
  5. Install the engine harness terminal nut (1).

    6. Tighten
    Tighten the nut to 30 N·m (22 lb ft).

  6. Position the generator rubber boot (3).
  7. Connect the engine harness electrical connector.
  8. Install the drive belt. Refer to Drive Belt Replacement.
  9. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.