FixVault

Installation Procedure

WARNING: This page is about a different car, the 2021 GMC Sierra 3500 HD and 2021 GMC Sierra 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
GM5337585Courtesy of GENERAL MOTORS COMPANY
  1. Front Axle (1) - Install
    GM5335440Courtesy of GENERAL MOTORS COMPANY
  2. Front Differential Carrier Bracket Nut (1) - Install and tighten [2x] 100 N.m (74 lb ft)
    GM5337584Courtesy of GENERAL MOTORS COMPANY
  3. Front Differential Carrier Bolt (1) - Install and tighten [2x] 110 N.m (81 lb ft)
    GM5337582Courtesy of GENERAL MOTORS COMPANY
  4. Front Differential Carrier Bolt (1) - Install and tighten110 N.m (81 lb ft)
    GM5336927Courtesy of GENERAL MOTORS COMPANY
  5. Connect the front axle vent hose (1) from the front axle vent hose connector.
  6. Remove the transmission jack.
  7. Install the wire harness for the front drive axle actuator on the differential carrier assembly.
  8. Install the electrical connector to the front drive axle actuator.
  9. Install the wheel drive shafts to the front inner axle shafts. Front Wheel Drive Half Shaft Replacement - Right Side , Front Wheel Drive Half Shaft Replacement - Left Side
  10. Front Axle Propeller Shaft @ Front Axle - Install - Front Axle Propeller Shaft Replacement
  11. Fill the front axle. Front Axle Lubricant Replacement .
  12. Drivetrain and Front Suspension Frame Front Crossmember - Install - Drivetrain and Front Suspension Frame Front Crossmember Replacement
  13. Underbody Skid Shield - Install - Underbody Skid Shield Replacement .
  14. Lower the vehicle.