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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 >> Drive Pinion and Ring Gear Replacement (10.5 Inch Axle) >> Installation Procedure

Installation 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.
  1. GM739964

    If the differential case has become separated, assemble the differential case by aligning the two arrows inside the differential case.

    2. NOTE:

    The mating surface of the ring gear and the differential case must be clean and free of burrs before installing the ring gear.

  2. Install the ring gear to the differential case.
  3. GM866503
    NOTE:

    Use hand tools ONLY. DO NOT use power tools for the following procedure.

    Hand tighten the new ring gear bolts.

    4. CAUTION:

    Refer to Fastener Caution .

  4. Install the NEW ring gear bolts and tighten to 165 N.m (122 lb ft). in a criss cross pattern to draw and seat the ring gear and the on the differential case.
  5. Install the differential assembly. Differential Replacement (10.5 Inch Axle) , or Differential Replacement (9.5 Inch Axle) 
  6. Fill the axle with the proper lubricant. Differential Oil Replacement (10.5 Inch Axle) , or Differential Oil Replacement (9.5 Inch Axle) 
  7. Remove the support and lower the vehicle.
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