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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Rear Drive Axle) >> Repair Instructions >> Differential Replacement (9.5 Inch Axle) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Group and mark the shims together as originally removed. If you remove or replace the differential ring and pinion gear set, perform the bearing preload, backlash, and gear tooth contact pattern check in order to ensure proper contact of the gears. If you reinstall or replace the differential carrier without replacing any other of the components (pinion and ring gear set, bearings. etc.) then you may reinstall the differential carrier with the original shims in their original locations. ALWAYS perform a gear tooth contact pattern check, even when you remove only the differential carrier.

  1. Raise the vehicle. Lifting and Jacking the Vehicle
  2. Remove the axle shafts. Rear Axle Shaft Replacement 
  3. GM667492
    NOTE:

    Step 3 is for the 9.5 inch axle.

    Remove the right side differential bearing adjuster nut lock.

  4. GM667502
    WARNING:

    Refer to Differential Case Removal Warning .

    NOTE:

    Mark the bearing caps left and right before removing.

    Remove the bearing cap bolts and caps.

  5. GM156411
    NOTE:

    Steps 5 and 6 are for the 9.5 inch axle ONLY.

    For the 9.5 inch axle, install the pinion shaft into the differential case part way and rotate the differential assembly until the pinion shaft contact the top of the axle housing.

    6. CAUTION:

    Refer to Differential Housing Cover and Gasket Removal Caution .

  6. For the 9.5 inch axle, rotate the drive pinion clockwise in order to force the differential assembly out of the axle housing.
    7. NOTE:

    The following service procedure is for the 9.5/9.5LD inch axle ONLY.

  7. Using the J-24429  spanner, loosen the differential bearing adjuster nut.
  8. Remove the differential assembly.
    9. NOTE:

    Mark the bearing cups, caps and the shims left and right and in the proper order for re-assembly.

  9. Remove the bearing cups, the shims, and the spacers as necessary.
  10. Remove the differential side bearings. Differential Bearing Replacement 
  11. Remove the differential ring gear. Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) , or Drive Pinion and Ring Gear Replacement (9.5 Inch Axle) 
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