GM Service Manual Online
For 1990-2009 cars only

Generator Replacement 3100

Removal Procedure

The CS130DP generator is serviced as a complete unit only.

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.

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.


    Object Number: 325504  Size: SH
  1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the drive belt from the generator. Refer to Drive Belt Replacement in Engine Mechanical - 3.1L.
  3. Place the coolant recovery reservoir aside for access. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.

  4. Object Number: 302473  Size: MH
  5. Remove the bolts from the generator.
  6. Remove the electrical connector from the generator.
  7. Remove the protective boot from the generator output BAT terminal.
  8. Remove the generator output BAT terminal nut and the battery (positive) lead from the generator.
  9. Remove the generator.

Installation Procedure


    Object Number: 302473  Size: MH

    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.

  1. Install the battery (positive) lead and the generator output BAT terminal nut.
  2. Tighten
    Tighten the generator output BAT terminal nut to 20 N·m (15 lb ft).

  3. Press the protective boot on to the generator output BAT terminal.
  4. Install the electrical connector to the generator.
  5. Place the generator bolt (2) and generator bracket bolt (3) through the holes on the generator.
  6. Position the generator to the generator bracket and finger start the bolts. Do not tighten the bolts.
  7. Install the generator pivot bolt (1) through the generator and into the generator rear brace. Do not tighten the bolt.
  8. Tighten the generator bolts in the order described. The following is a mandatory torque sequence:
  9. Tighten

    1. Tighten the generator pivot bolt (1) to 50 N·m (37 lb  ft).
    2. Tighten the generator bolt (2) to 50 N·m (37 lb  ft).
    3. Tighten the generator bracket bolt (3) to 50 N·m (37 lb ft).
  10. Install the coolant recovery reservoir . Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.

  11. Object Number: 325504  Size: SH
  12. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.1L.
  13. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection .

Generator Replacement 3800 L36 (VIN K)

Removal Procedure

The Delphi CS130DP generator is serviced as a complete unit only.

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.

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.


    Object Number: 302324  Size: MH
  1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the drive belt from the generator. Refer to Drive Belt Replacement in Engine Mechanical - 3.8L.
  3. Remove the generator rear brace fasteners (1,2). Remove the generator rear brace. Refer to Generator Brace Replacement .
  4. Remove the bolts (1, 2, 3) from the generator.
  5. Remove the electrical connector from the generator.
  6. Remove the protective boot from the generator output BAT terminal for access.
  7. Remove the generator output BAT terminal nut and the battery (positive) lead from the generator.
  8. Remove the generator.

Installation Procedure


    Object Number: 302324  Size: MH
  1. Place the generator stud (2) through the hole in the generator.
  2. Place the generator to the engine and finger start the generator rear bracket bolt (3) to the generator bracket. Do not tighten the bolt.
  3. Install the electrical connector to the generator.
  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 battery (positive) lead and the generator output BAT terminal nut.
  6. Tighten
    Tighten the generator output BAT terminal nut to 20 N·m (15 lb ft).

  7. Press the protective boot on to the generator output BAT terminal.
  8. Finger start the generator stud (2) to the generator bracket. Do not tighten the bolt.
  9. Install the generator bolt. Do not tighten the bolt.
  10. Tighten the generator bolts in the order described. The following is a mandatory torque sequence:
  11. 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).
  12. Install the generator rear brace. Install the generator rear brace fasteners (1,2). Refer to Generator Brace Replacement .
  13. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.8L.
  14. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection .

Generator Replacement 3800 L67 (VIN 1)

Removal Procedure

The Delphi CS130DP generator is serviced as a complete unit only.

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.

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.


    Object Number: 302324  Size: MH
  1. Disconnect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the drive belt from the generator. Refer to Drive Belt Replacement in Engine Mechanical - 3.8L.
  3. Remove the generator rear brace fasteners (1,2). Remove the generator rear brace. Refer to Generator Brace Replacement .
  4. Remove the bolts (1, 2, 3) from the generator.
  5. Remove the electrical connector from the generator.
  6. Remove the protective boot from the generator output BAT terminal for access.
  7. Remove the generator output BAT terminal nut and the battery (positive) lead from the generator.
  8. Remove the generator.

Installation Procedure


    Object Number: 302324  Size: MH
  1. Place the generator to 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 battery (positive) lead and the generator output BAT terminal nut.
  4. Tighten
    Tighten the generator output BAT terminal nut to 20 N·m (15 lb ft).

  5. Press the protective boot on to the generator output BAT terminal.
  6. Install the electrical connector to the generator.
  7. Place the generator stud (2) through the hole in the generator.
  8. Finger start the generator rear bracket bolt (3) to the hole on generator bracket. Do not tighten the bolt.
  9. Finger start the generator stud (2) to the hole on the generator bracket. Do not tighten the bolt.
  10. Install the generator bolt (1). Do not tighten the bolt.
  11. Tighten the generator bolts in the order described. The following is a mandatory torque sequence:
  12. 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).
  13. Install the generator rear brace. Install the generator rear brace fasteners (1,2). Refer to Generator Brace Replacement .
  14. Install the drive belt. Refer to Drive Belt Replacement in Engine Mechanical - 3.8L.
  15. Connect the battery ground (negative) cable. Refer to Battery Negative Cable Disconnection and Connection .