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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1388 (Front Drive Axle) >> Repair Instructions >> Differential Carrier Assembly Replacement (1500 FWD) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. With the aid of an assistant, maneuver the differential carrier so that the wheel drive shafts can be installed.
    2. Fig 1: View Of Differential Carrier Assembly
    GM1751840Courtesy of GENERAL MOTORS CORP.
  2. Install the differential carrier assembly.
    3. Fig 2: View Of Right Differential Carrier Mounting Nuts & Washers
    GM1751768Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  3. Install the right mounting nuts and washers.

    Tighten:  Tighten the mounting nuts to 100 N.m (75 lb ft).

    4. Fig 3: View Of Left Differential Carrier Mounting Bolts
    GM1751779Courtesy of GENERAL MOTORS CORP.
  4. Install the left mounting bolts for the differential carrier.

    Tighten:  Tighten the mounting nuts to 100 N.m (75 lb ft).

  5. Remove the transmission jack stand.
    6. Fig 4: View Of Differential Carrier Wiring Harness
    GM1752191Courtesy of GENERAL MOTORS CORP.
  6. Install the wiring harness on the differential carrier, if needed.
    7. Fig 5: View Of Front Axle Actuator Electrical Connector
    GM834234Courtesy of GENERAL MOTORS CORP.
  7. Install the electrical connector to the actuator motor, if needed.
    8. Fig 6: View Of Differential Carrier Vent Hose
    GM1751853Courtesy of GENERAL MOTORS CORP.
  8. Install the differential carrier vent hose.
  9. Install the propeller shaft. Refer to Front Propeller Shaft Replacement .
    10. Fig 7: View Of Wheel Drive Shaft Inboard Flange Bolt - Front Drive Axle
    GM763646Courtesy of GENERAL MOTORS CORP.
  10. Install the wheel drive shaft mounting bolts.

    Tighten:  Tighten the mounting bolts to 79 N.m (58 lb ft).

  11. Install the lower control arm crossmember. Refer to Drivetrain and Front Suspension Frame Front Crossmember Replacement (1500, 2500 LD) , Drivetrain and Front Suspension Frame Front Crossmember Replacement (2WD 2500HD, 3500) or Drivetrain and Front Suspension Frame Front Crossmember Replacement (4WD 2500 HD, 3500) .
  12. Fill the differential carrier. Refer to Front Axle Lubricant Replacement .
  13. Remove the support and lower the vehicle.
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