GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Astro - 2WD 🢒 Driveline/Axle 🢒 Rear Drive Axle - Locking/Limited Slip Rear Axle 🢒 Locking Differential Assemble
  1. Install the left side gear thrust washer.
  2. Install the cam unit assembly. Refer to Locking Differential Cam Unit Assemble .
  3. Install the right side gear thrust washer.
  4. Install the right side clutch plates.

  5. Install the right side gear.
  6. Install the thrust block, the pinion thrust washer, and the pinion gear.

    7. Place the pinion gears 180 degrees apart.

  7. Rotate the gears and the thrust block into position.

    8. The open side of the thrust block must fact the window opening.

  8. Install the pinion shaft.
  9. Install the new pinion shaft lock bolt.

    10. Tighten the pinion shaft lock bolt finger tight.

  10. Install the governor assembly, and the latching bracket.

    11. The straight end of the latching bracket spring must be over and outside the governor assembly shaft.

    Important: Use only a bushing with a straight hole, not a tapered hole.

  11. Using a press, install the governor bushing.

    12. Specification
    Press the bushing into place until there is 0.25-1.27 mm (0.010-0.050 in) of shaft end play.

  12. Using a press, install the latching bracket bushing.

    13. Press the bushing in far enough to eliminate all end play.