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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Drivelines & Axles >> Axle Shafts >> Wheel Drive Shafts >> Repair Instructions >> Rear Wheel Drive Shaft Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Wheel Drive Shaft
    GM2753655Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    DT-51504 must be installed into the differential output shaft seal prior to removing and installing the wheel drive shaft. Failure to install the DT-51504 as indicated may cause the splines of the wheel drive shaft to damage the differential output seal

    NOTE:

    Apply a small amount of lubricant on the wheel drive shaft splines and the contact area of the axle seal to the wheel drive shaft.

  1. Position the wheel drive shaft (1) in the vehicle.
  2. Install the rear wheel hub bracket. Refer to Rear Wheel Hub Bracket Replacement .
    3. Fig 2: Wheel Drive Shaft Nut
    GM2753611Courtesy of GENERAL MOTORS COMPANY
  3. Install the NEW wheel drive shaft nut (1).
  4. Have an assistant apply the brakes.
    5. Fig 3: Tightening Wheel Drive Shaft Nut
    GM2753722Courtesy of GENERAL MOTORS COMPANY
  5. Using the torque wrench and the proper size socket (1), tighten the wheel drive shaft nut to:

    Tighten 

    • First Pass: 150 N.m (111 lb ft)
    • Second Pass: loosen 45 degrees
    • Final Pass: retighten to 250 N.m (185 lb ft)
  6. Check the fluid level of the rear axle. Add fluid if needed. Refer to Rear Axle Lubricant Level Inspection .
  7. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  8. Remove the support and lower the vehicle.
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