GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • KM-304 Remover
    • KM-446 Installer Drift
    • KM-451 Remover/Installer
    • KM-453 Pusher
    • KM-456 Centering Drift
    • KM-458-B Mounting Drift

Differential, Assemble (F17+/F17+ MTA)


    Object Number: 1948692  Size: SH

    Note: Lubricate rotating parts on their bearing, running, seating, and pressure surfaces using transmission fluid.

  1. Install plastic cage in differential. It must be possible to insert the collar (1) of plastic cage into the guide for the drive pinions in the housing.
  2. Assemble differential housing.
  3. • Insert drive and differential pinions in differential housing

       Note: Use protective jaws

    • Clamp differential housing into vice with KM-458-B mounting drift  (3)
    • Center differential pinions with KM-456 centering drift  (2)
    • Install tapered axle (6)
    • Attach 2x new retaining ring (4) and (5)

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1937584  Size: MF

    Note: Replace drive gears only in pairs (driving and driven). Note identification groove (arrows) running around tip of tooth.

  4. Attach ring gear (1).
  5. 3.1. Tighten 8x new bolts a first pass to 70 N·m (52 lb ft).
    3.2. Tighten the bolts a second pass 30 degrees.
    3.3. Tighten the bolts a final pass 15 degrees.

    Object Number: 1937585  Size: MF
  6. Attach 2x tapered roller bearing inner race (2).
  7. Attach tapered roller bearing inner race with KM-453 pusher  (1) to differential housing (3).


    Object Number: 1937586  Size: MF
  8. Attach 2x tapered roller bearing outer race.
  9. Install tapered roller bearing outer races (2) with KM-304 remover  (1) and KM-451 remover/installer  (3) in the transmission and bearing race.

  10. Fit axle shaft seal rings.
  11. Install axle shaft seal rings with KM-446 installer drift in bearing race and transmission housing.