GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • KM-161-B Bearing Puller
    • KM-303 Removal Sleeve
    • KM-304 Remover
    • KM-451 Remover/Installer
    • KM-454-B Remover/Installer
    • KM-458-B Mounting Drift

Differential, Dismantle (F17+/F17+ MTA)


    Object Number: 1948643  Size: LH
  1. Remove 2x axle shaft seal ring from bearing race (3) and transmission.
  2. Remove axle shaft seal ring with KM-454-B -2 (1) and KM-454-B -4 (2).

    Important: Only necessary when replacing the bearing in the bearing race.

  3. Remove tapered roller bearing outer race from bearing race.
  4. • Place tapered roller bearing outer race on KM-303  (6)
    • Remove tapered roller bearing outer race with KM-304  (4) and KM-451  (5)

    Important: Only necessary when replacing the bearing in the transmission.

  5. Remove tapered roller bearing outer race from transmission.
  6. Remove tapered roller bearing outer race with KM-304 and KM-451 .


    Object Number: 1948644  Size: LH

    Important: Only necessary when replacing.

    Important: Do not interchange outer and inner races respectively when re-using tapered roller bearings.

  7. Detach 2x tapered roller bearing inner race (1) from differential.
  8. For overhauling work, the speedometer gear (driving) (5) should be destroyed, if still present. On assembling, it is not reinstalled.

    Remove tapered roller bearing inner race with KM-161-B  (2), KM-161-B -3 (4) and KM-161-B -4 (3).

    Important: Use protective jaws.

  9. Remove the ring gear from the differential housing.
  10. Clamp differential housing in vice.


    Object Number: 1948645  Size: SH
  11. Dismantle differential housing.
  12. • Detach 2x retaining ring (2) from tapered axle
    • Remove tapered axle
    • Remove axle shafts and tapered differential gears with KM-458-B
    • Remove plastic cage
  13. Clean all parts and transmission housing.
  14. Check all parts for damage. Replace damaged components.