GM Service Manual Online
For 1990-2009 cars only

Generator Replacement VIN 1

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical.
  3. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.

  4. Object Number: 439097  Size: SH
  5. Remove the generator brace.
  6. Remove the output terminal nut.
  7. Disconnect the electrical connector.

  8. Object Number: 439092  Size: SH
  9. Remove the generator mounting bolts.
  10. Remove the generator.

Installation Procedure


    Object Number: 439092  Size: SH
  1. Position the generator on the engine.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the generator mounting bolts
  4. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  5. Connect the electrical connector.
  6. Install the output terminal nut.
  7. Tighten
    Tighten the nut to 20 N·m (15 lb ft).


    Object Number: 439097  Size: SH
  8. Install the generator brace and fasteners.
  9. Tighten

        • Tighten the nut to 50 N·m (37 lb ft).
        • Tighten the bolt to 25 N·m (18 lb ft).
  10. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.
  11. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .

Generator Replacement VIN K

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the drive belt. Refer to Drive Belt Replacement in Engine Mechanical.
  3. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.

  4. Object Number: 439097  Size: SH
  5. Remove the generator brace.
  6. Remove the output terminal nut.
  7. Disconnect the electrical connector.

  8. Object Number: 439092  Size: SH
  9. Remove the generator mounting bolts.
  10. Remove the generator.

Installation Procedure


    Object Number: 439092  Size: SH
  1. Position the generator on the engine.
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the generator mounting bolts
  4. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  5. Connect the electrical connector.
  6. Install the output terminal nut.
  7. Tighten
    Tighten the nut to 20 N·m (15 lb ft).


    Object Number: 439097  Size: SH
  8. Install the generator brace and fasteners.
  9. Tighten

        • Tighten the nut to 50 N·m (37 lb ft).
        • Tighten the bolt to 25 N·m (18 lb ft).
  10. Install the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical.
  11. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .