GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 Isuzu MD Steel Tilt (F Model) 🢒 Driveline/Axle 🢒 Rear Drive Axle 🢒 Wheel Bearing Adjustment

Removal Procedure
  1. Block the wheels.
  2. Raise the rear axle and place the jack stands under the frame rails. Ensure that the vehicle rear wheels are off the of the floor. Refer to Lifting and Jacking the Vehicle .
  3. Release the parking brake.
  4. Remove the axle shafts. Refer to Rear Axle Shaft and/or Gasket Replacement .
  5. Remove the rear wheel bearing (outer) adjust nut and the rear wheel bearing adjust nut lock.
  6. Loosen the rear wheel bearing (inner) adjust nut.

    7. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

    Important: Rotate the rear tire and wheel assembly while tightening the rear wheel bearing (inner) adjust nut in order to ensure proper seating of the rear wheel bearings.

  7. Rotate the rear tire and wheel assembly.

    8. Tighten
    Tighten the rear wheel bearing (inner) adjust nut to 68 N·m (50 lb ft).


    Object Number: 199114 Size: SH
  8. Back off the rear wheel bearing (inner) adjust 60-90 degrees (1/6 to 1/4 turn).

Installation Procedure

    Object Number: 199117 Size: SH
  1. Install the rear wheel bearing adjust nut lock.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the rear wheel bearing (outer) adjust nut.

    3. Tighten
    Tighten the rear wheel bearing (outer) adjust nut to 169 N·m (125 lb ft).

  3. Bend one tang of the rear wheel bearing adjust nut lock over the flat of each rear wheel bearing adjust nut.
  4. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
  5. Install the rear axle shafts. Refer to Rear Axle Shaft and/or Gasket Replacement .
  6. Remove the wheel blocks.