GM Service Manual Online
For 1990-2009 cars only

Generator Replacement RPO LX9

Removal Procedure


    Object Number: 1642658  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Disconnect the windshield wiper transmission link in front of the wiper motor and position out of the way. Refer to Windshield Wiper System Module Replacement .
  3. Rotate the engine forward. Refer to Rotating the Engine for Service Access .
  4. Remove the drive belt. Refer to Drive Belt Replacement .
  5. Disconnect the engine harness electrical connector from the generator.

  6. Object Number: 1644823  Size: SH
  7. Reposition the positive battery cable boot at the generator terminal.
  8. Remove the positive battery cable terminal nut at the generator.
  9. Remove the positive battery cable terminal from the generator.

  10. Object Number: 1644936  Size: SH
  11. Remove the generator lower bolts.

  12. Object Number: 1644935  Size: SH
  13. Remove the generator upper bolt.
  14. Remove the generator.

Installation Procedure


    Object Number: 1644935  Size: SH
  1. Install the generator.
  2. Install the generator upper bolt until snug.

  3. Object Number: 1644936  Size: SH
  4. Install the generator lower bolts until snug.
  5. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 1644823  Size: SH
  8. Install the positive battery cable terminal to the generator.
  9. Install the positive battery cable terminal nut at the generator.
  10. Tighten
    Tighten the nut to 20 N·m (15 lb ft).

  11. Position the positive battery cable boot at the generator terminal.

  12. Object Number: 1642658  Size: SH
  13. Connect the engine harness electrical connector to the generator.
  14. Install the drive belt. Refer to Drive Belt Replacement .
  15. Position the engine into the normal location and install the engine mount strut bolts. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side .
  16. Position and connect the windshield wiper transmission link in front of the wiper motor. Refer to Windshield Wiper System Module Replacement .
  17. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .

Generator Replacement RPO LY7

Removal Procedure


    Object Number: 1394044  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the torque struts and rotate the engine in order to provide access to remove the generator. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side .
  3. Reposition the positive battery cable boot at the generator terminal.
  4. Remove the positive battery cable nut at the generator.
  5. Remove the positive battery cable terminal from the generator.

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

  9. Object Number: 1394079  Size: SH
  10. Remove the idler pulley. Refer to Drive Belt Idler Pulley Replacement .
  11. Remove the generator bolts.
  12. 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. Notice: Refer to Fastener Notice in the Preface section.

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


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

  9. Object Number: 1394044  Size: SH
  10. Install the positive battery cable terminal to the generator.
  11. Install the positive battery cable nut at the generator.
  12. Tighten
    Tighten the nut to 20 N·m (15 lb ft).

  13. Position the positive battery cable boot at the generator terminal.
  14. Return the engine to its normal position and install the torque struts. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side .
  15. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .