LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1494 (Rear Drive Axle - Locking/Limited Slip Rear Axle) >> Repair Instructions >> Locking Differential Assemble

Locking Differential Assemble

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: The left and right side gear backlash and thrust block thickness measurement must be completed before the components of the locking differential can be assembled.
  1. Install the left side gear thrust washer.
    Fig 1: Installing Left Side Gear Thrust Washer
    G01597809Courtesy of GENERAL MOTORS CORP.
  2. Install the left side gear (cam unit) and clutch disc assembly.
  3. Install the right side gear thrust washer.
  4. Install the right side clutch pack assembly.
  5. Install the right side gear.
    IMPORTANT: If the original pinion gears and thrust washers are being re- used, install the pinion gears and thrust washers on the same side as when removed
  6. Install the pinion gear and the pinion thrust washers.

    Place the pinion gears and the pinion thrust washers 180 degrees apart.

    Fig 2: Installing Right Side Clutch Pack Assembly
    G01597810Courtesy of GENERAL MOTORS CORP.
  7. Rotate the pinion gears and the pinion thrust washers 90 degrees and align the pinion gears with the pinion shaft opening in the differential case.
  8. Install the thrust block.

    The open side of the thrust block must face the window opening.

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

    Tighten the pinion shaft lock bolt finger tight.

  11. Install the governor assembly.
  12. Install the governor bushing using a hammer and a brass drift.

    Specification

    Press the bushing into place until there is 0.025-0.076 mm (0.010-0.030 in) of shaft end play.

    Fig 3: Installing Governor Bushing Using Hammer And Brass Drift
    G01597811Courtesy of GENERAL MOTORS CORP.
  13. Install the latching bracket assembly.

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

  14. Install the latching bracket bushing using a hammer and a brass drift.

    Specification

    Press the bushing into place until there is 0.000-0.051 mm (0.000-0.002 in) of shaft end play.

  15. Tighten the pinion shaft lock bolt.

    Tighten 

    Tighten the pinion shaft lock bolt to 36 N.m (27 lb ft).

    Fig 4: Installing Latching Bracket Assembly
    G01597812Courtesy of GENERAL MOTORS CORP.