GM Service Manual Online
For 1990-2009 cars only

Generator Replacement 4.2L

Removal Procedure

  1. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the drive belt. Refer to Drive Belt Replacement.

  3. Object Number: 754344  Size: SH
  4. Remove the air conditioning (A/C) line mounting bracket bolt at the engine lift hook.

  5. Object Number: 750247  Size: SH
  6. Remove the right engine lift hook bolts and remove the lift hook.

  7. Object Number: 753668  Size: SH
  8. Remove the 3 generator mounting bolts and remove the generator.

  9. Object Number: 754357  Size: SH
  10. Disconnect the battery positive cable nut (1) on the generator.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 754357  Size: SH
  1. Install the battery positive cable to the generator and secure the positive cable with the nut (1) and tighten to 9 N·m (80 lb in).
  2. Install the generator and secure the generator with 3 bolts and tighten to 50 N·m (37 lb ft).

  3. Object Number: 750247  Size: SH
  4. Install the engine lift hook and secure the lift hook with 2 bolts and tighten to 50 N·m (37 lb ft).

  5. Object Number: 754344  Size: SH
  6. Install the A/C line bracket to the lift hook and secure the bracket with the bolt and tighten to 10 N·m (89 lb in).
  7. Install the drive belt. Refer to Drive Belt Replacement.
  8. Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.

Generator Replacement With V8 Engine

Removal Procedure


    Object Number: 898329  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
  3. Disconnect the generator electrical connector.

  4. Object Number: 899614  Size: SH
  5. Remove the generator cable (3) from the generator, perform the following:
  6. 4.1. Slide the boot (1) down revealing the terminal stud.
    4.2. Remove the generator cable nut (2) from the terminal stud.
    4.3. Remove the generator cable (3).

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

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 899619  Size: SH
  1. Install the generator.
  2. Install the generator bolts.
  3. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 899614  Size: SH
  4. Install the generator cable (3) to the generator, perform the following:
  5. 3.1. Install the generator cable (3).
    3.2. Install the generator cable nut (2) to the terminal stud.

    Tighten
    Tighten the nut to 9 N·m (80 lb in).

    3.3. Slide the boot (1) over the terminal stud.

    Object Number: 898329  Size: SH
  6. Connect the generator electrical connector.
  7. Install the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
  8. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.