GM Service Manual Online
For 1990-2009 cars only

Generator Replacement LLR

Removal Procedure


    Object Number: 1402502  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. Raise and support the vehicle only high enough to access the air conditioning (A/C) compressor through the wheelhouse. Refer to Lifting and Jacking the Vehicle.
  4. Remove the left front wheel. Refer to Tire and Wheel Removal and Installation.
  5. Remove the left wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
  6. Disengage the A/C compressor electrical connector from the bracket.
  7. Recover the A/C system. Refer to Refrigerant Recovery and Recharging.
  8. Disconnect the A/C condenser and evaporator lines from the compressor.
  9. Remove the A/C compressor mounting bolts (2, 3) ONLY.
  10. The upper mounting bolt (2) will remain with the A/C compressor (1).

  11. Lower the vehicle.

  12. Object Number: 1560044  Size: SH
  13. Reposition the protective boot from the generator output BAT terminal.
  14. Remove the generator output BAT terminal nut (2) and remove the generator lead (1) from the generator.
  15. Disconnect the generator electrical connector.

  16. Object Number: 1313647  Size: SH
  17. Remove the 3 generator bolts.
  18. Position the A/C compressor forward, in order to gain clearance to remove the generator.
  19. Remove the generator.

Installation Procedure

  1. Position the generator to the engine.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1313647  Size: SH
  3. Install the 3 generator bolts and tighten in sequence to 50 N·m (37 lb ft).

  4. Object Number: 1560044  Size: SH
  5. Install the generator lead (1) to the generator and install the generator output BAT terminal nut (2) and tighten to 20 N·m (15 lb ft).
  6. Position the protective boot onto the generator output BAT terminal.
  7. Connect the generator electrical connector.
  8. Raise and support the vehicle only high enough to access the A/C compressor through the wheelhouse. Refer to Lifting and Jacking the Vehicle.

  9. Object Number: 1402502  Size: SH
  10. Position the A/C compressor (1) to the engine.
  11. Install the A/C compressor mounting bolts (2, 3) and tighten to 50 N·m (37 lb ft).
  12. Connect the condenser and evaporator lines to the compressor.
  13. Attach the A/C compressor electrical connector to the bracket.
  14. Install the left wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
  15. Install the left front wheel. Refer to Tire and Wheel Removal and Installation.
  16. Lower the vehicle.
  17. Install the drive belt. Refer to Drive Belt Replacement.
  18. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  19. Charge the A/C system. Refer to Refrigerant Recovery and Recharging.

Generator Replacement LH8

Removal Procedure


    Object Number: 1897776  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement.
  3. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
  4. Disconnect the engine wiring harness electrical connector (1) from the generator.
  5. Reposition the engine wiring harness/positive battery cable boot (5).
  6. Remove the engine wiring harness/positive battery cable nut from the generator.
  7. Remove the engine wiring harness/positive battery cable (2) from the generator.

  8. Object Number: 899619  Size: SH
  9. Remove the generator bolts.
  10. Remove the generator.

Installation Procedure


    Object Number: 899619  Size: SH
  1. Install the generator.
  2. Caution: Refer to Fastener Caution in the Preface section.

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


    Object Number: 1897776  Size: SH
  5. Install the engine wiring harness/positive battery cable (2) to the generator.
  6. Install the engine wiring harness/positive battery cable nut to the generator.
  7. Tighten
    Tighten the nut to 9 N·m (80 lb in).

  8. Position the engine wiring harness/positive battery cable boot (5).
  9. Connect the engine wiring harness electrical connector (1) to the generator.
  10. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
  11. Install the intake manifold cover. Refer to Upper Intake Manifold Sight Shield Replacement.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.