GM Service Manual Online
For 1990-2009 cars only

Generator Replacement L67

Removal Procedure

  1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement in Body and Accessories.
  2. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  3. Disconnect the negative battery cable.
  4. Remove the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical.
  5. Remove the engine front cover. Refer to Engine Front Cover Replacement in Engine Mechanical.

  6. Object Number: 42223  Size: SH
  7. Remove the rear pencil brace bolts.
  8. Remove the brace.
  9. Remove the generator mounting bolts.

  10. Object Number: 42435  Size: SH
  11. Remove the output terminal nut.
  12. Disconnect the electrical connector.
  13. Remove the generator.

Installation Procedure


    Object Number: 42435  Size: SH
  1. Install the generator.
  2. Connect the electrical connector.
  3. 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.

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


    Object Number: 42435  Size: SH
  6. Install the generator mounting bolts.
  7. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  8. Install the rear pencil brace.
  9. Install the rear pencil brace bolt.
  10. Tighten
    Tighten the bolts to 30 N·m (22 lb ft).

  11. Install the engine front cover. Refer to Engine Front Cover Replacement in Engine Mechanical.
  12. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical.
  13. Install the rear seat cushion. Refer to Seats and Carpet.
  14. Connect the negative battery cable.
  15. Tighten
    Tighten the cable nut to 15 N·m (11 lb ft).

Generator Replacement L47

Removal Procedure

  1. Remove the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.
  2. Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  3. Disconnect the negative battery cable.
  4. Remove the upper radiator shroud.
  5. Remove the air inlet duct.
  6. Remove the radiator. Refer to Radiator Replacement in Engine Cooling.
  7. Remove the accessory drive belt from the generator. Refer to Drive Belt Replacement in Engine Mechanical.
  8. Disconnect the electrical connector from the generator.
  9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  10. Object Number: 101156  Size: SH
  11. Remove the lower splash shield.
  12. Remove the generator mounting bolts.
  13. Remove the nuts and the studs.
  14. Lower the vehicle.
  15. Remove the power steering hose from the reservoir.

  16. Object Number: 101160  Size: SH
  17. Remove the generator through the top left side of the engine compartment.

Installation Procedure


    Object Number: 101160  Size: SH
  1. Install the generator through the top left side of the engine compartment.
  2. Connect the power steering hose to the reservoir.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. 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.

  5. Install the generator mounting studs and nuts.
  6. Tighten
    Tighten the lower generator bracket to block nuts to 38 N·m (28 lb ft).

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

  9. Install the lower splash shield.
  10. Lower the vehicle.

  11. Object Number: 101156  Size: SH
  12. Connect the electrical connector.
  13. Install the accessory drive belt. Refer to Drive Belt Replacement in Engine Mechanical.
  14. Install the radiator. Refer to Radiator Replacement in Engine Cooling.
  15. Install the upper radiator shroud.
  16. Install the air inlet duct.
  17. Connect the negative battery cable.
  18. Install the rear seat cushion. Refer to Rear Seat Cushion Replacement in Seats.