GM Service Manual Online
For 1990-2009 cars only

Disassembly Procedure


    Object Number: 316329  Size: SH
  1. Disconnect the lead wire.
  2. Remove the magnetic switch assembly and gasket.
  3. Loosen the brush holder screws at the rear bracket.

  4. Object Number: 316338  Size: SH
  5. Remove the through bolt.
  6. Remove the rear bracket.
  7. Remove the brush.
  8. Remove the brush holder and spring.
  9. Remove the yoke assembly
  10. Disassemble the armature using the following procedure:
  11. 9.1. the brush holder
    9.2. the yoke assembly
    9.3. the armature assembly

    Object Number: 316341  Size: SH
  12. Remove the front bracket.
  13. Remove the center bracket using the following procedure.
  14. 11.1. Loosen the bolts holding the front bracket to the center bracket.
    11.2. Remove the front bracket from the center bracket.

    Object Number: 316344  Size: SH
  15. Remove the pinion stopper clip.
  16. Remove the cup ring from the right end of the over running clutch.
  17. Remove the return spring.
  18. Remove the pinion stopper from the right end of the over running clutch.
  19. Drive out the pinion.

  20. Object Number: 316348  Size: SH
  21. Remove the over running clutch
  22. Remove the plate and gasket.
  23. Remove the shift lever using the following procedure:
  24. 19.1. Loosen the plate bolts.
    19.2. Remove the shift lever from the center bracket.

Reassembly Procedure


    Object Number: 316406  Size: SH
  1. Install the center bracket.
  2. Install the shift lever.
  3. 2.1. Apply molybdenum disulfide grease to the shift lever pin.
    2.2. When installing the shift lever, pay attention to its installing direction as illustrated.

    Object Number: 316410  Size: SH
  4. Install the plate and gasket using the following procedure:
  5. 3.1. Install the plate and gasket to the center cover.

    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.

    3.2. Install the plate bolts.

    Tighten
    Tighten the bolts to 9 N·m (78 lb in).


    Object Number: 316415  Size: SH
  6. Install the over running clutch.
  7. Install the pinion.
  8. Install the pinion stopper.
  9. Install the return spring.
  10. Install the cup ring.
  11. Install the pinion stopper clip.

  12. Object Number: 316420  Size: SH
  13. Adjust the over running clutch front bracket and bearing clearance with the adjusting washer so that the clearance may become as specified.
  14. Front Bracket and Bearing Clearance
    The clearance should be 0.2-0.8 mm (0.008-0.031 in).

  15. Install the yoke assembly.
  16. Install the brush holder and spring.
  17. Adjust the armature center bracket and bearing clearance with the adjusting washer so that the clearance may become as specified:
  18. Center Bracket and Bearing Clearance
    The clearance should be 0.2-0.8 mm (0.008-0.031 in).

  19. Install the brushes.
  20. Install the rear bracket.
  21. Install the brush holder screw.
  22. Install the through bolt.
  23. Tighten
    Tighten the bolt to 9 N·m (78 lb in).

  24. Install the magnetic switch assembly using the following procedure:
  25. 18.1. Install the magnetic switch assembly to the center bracket.
    18.2. Install the magnetic switch assembly bolts.

    Tighten
    Tighten the bolt to 9 N·m (78 lb in).

  26. Connect the lead wire.