GM Service Manual Online
For 1990-2009 cars only

Auxiliary Generator Replacement LLY/LMM

Removal Procedure

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.


    Object Number: 1869602  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  2. Remove the air cleaner. Refer to Air Cleaner Replacement for the LLY engine or to Air Cleaner Assembly Replacement for the LMM engine.
  3. Remove the drive belt. Refer to Drive Belt Replacement .
  4. Disconnect the engine wiring harness electrical connector (1) from the generator.
  5. Reposition the engine wiring harness boot (8).
  6. Remove the generator terminal nut (9).
  7. Remove the engine wring harness terminal (10) from the generator.

  8. Object Number: 1869603  Size: SH
  9. Remove the auxiliary generator bolts (3).
  10. Remove the auxiliary generator (2).

Installation Procedure


    Object Number: 1869603  Size: SH
  1. Install the auxiliary generator (2).
  2. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 1869602  Size: SH
  5. Install the engine wring harness terminal (10) to the generator.
  6. Install the generator terminal nut (9).
  7. Tighten
    Tighten the nut to 25 N·m (18 lb ft).

  8. Position the engine wiring harness boot (8).
  9. Connect the engine wiring harness electrical connector (1) to the generator.
  10. Install the drive belt. Refer to Drive Belt Replacement .
  11. Install the air cleaner. Refer to Air Cleaner Replacement for the LLY engine or to Air Cleaner Assembly Replacement for the LMM engine.
  12. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .