Caliber 2007

Wheel Bearings

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Adjustment



The wheel bearing is designed to last for the life of the vehicle and is unable to be adjusted. If the wheel bearing exhibits any roughness or resistance to rotation, the bearing must be replaced.

Removal & Installation



  1. Raise and safely support the vehicle.
  2.  
  3. Remove the front wheel.
  4.  
  5. Remove the steering knuckle assembly from the vehicle.
  6.  
  7. Position the locator block for Special Tool 9712 Fixture, as follows:
    1. For left side knuckles, place the locator block to the left side on the Fixture. The side of the locator block with the angle cut goes downward, toward the Fixture. Install the mounting screws and tighten them to approximately 40 ft. lbs. (54 Nm).
    2.  
    3. For right side knuckles, place the locator block to the right side on the Fixture. The side of the locator block with the angle cut goes downward, toward the Fixture. Install the mounting screws and tighten them to approximately 40 ft. lbs. (54 Nm).

      Click image to see an enlarged view

      Fig. Install the locator block (2) on Special Tool 9712 (1) for the left (4) or right (3) side knuckle as shown.

    4.  

  8.  
  9. Install the knuckle in the Fixture as shown, guiding the steering arm to rest on the locator block and the brake caliper mounting bosses on the two Fixture pins.

    Click image to see an enlarged view

    Fig. Install the knuckle in the Fixture as shown, guiding the steering arm (1) to rest on the locator block (3) and the brake caliper mounting bosses on the two Fixture pins (2).

  10.  
  11. Place the Fixture with knuckle installed into an arbor press.
  12.  
  13. Position Special Tool 9712-2 Remover/Installer in the small end of the hub. Lower the arbor press ram and remove the hub from the wheel bearing and knuckle. The bearing race will normally come out of the wheel bearing with the hub as it is pressed out of the bearing.
  14.  
  15. Remove the knuckle from the Fixture and turn it over.
  16.  
  17. Remove the snap ring from the knuckle using an appropriate pair of snap ring pliers.

    Click image to see an enlarged view

    Fig. Remove the snap ring (2) from the knuckle using an appropriate pair of snap ring pliers (1).

  18.  
  19. Place the knuckle back in the Fixture in the arbor press ram.
  20.  
  21. Place Special Tool MD-998334 Installer on the outer race of the wheel bearing. Lower the arbor press ram and remove the wheel bearing from the knuckle.

    Click image to see an enlarged view

    Fig. Put the knuckle assembly back into the fixture (3) and place Special Tool MD-998334 Installer (2) on the outer race of the wheel bearing. Lower the arbor press ram (1) and remove the wheel bearing from the knuckle.

  22.  

To install:

  1. Wipe the bearing bore of the knuckle clean of any grease or dirt.
  2.  
  3. Place the knuckle in an arbor press supporting the knuckle from underneath using Special Tool 6310-1 Cup.
  4.  
  5. Place the NEW wheel bearing magnetic encoder ring side down into the bore of the knuckle. Be sure the wheel bearing is placed squarely into the bore.
  6.  
  7. Place Special Tool 8498 Receiver, larger inside diameter end down, over the outer race of the wheel bearing.
  8.  
  9. Place Special Tool 6310-2 Disc, into the top of Receiver 8498. Lower the arbor press ram and press the wheel bearing into the knuckle until it is bottomed in the bore of the knuckle.

    Click image to see an enlarged view

    Fig. With knuckle installed on top of Special Tool 6310-1 (4), use a suitable shop press (1) and Special Tools 6310-2 (2) and 8498 (3) to press the new wheel bearing (5) into the knuckle.

  10.  
  11. Remove the knuckle and tools from the arbor press.
  12.  
  13. Install a new snap ring in the knuckle using an appropriate pair of snap ring pliers.
  14.  
  15. Place the knuckle in an arbor press. Support the knuckle from underneath using Special Tool MB-990799 Remover/Installer, with the smaller end up against the wheel bearing inner race.
  16.  
  17. Place the hub in the wheel bearing making sure it is square with the bearing inner race.
  18.  
  19. Position Special Tool 9712-2 Remover/Installer in the end of the hub. Lower the arbor press ram and press the hub into the wheel bearing until it bottoms out.
  20.  
  21. Remove the knuckle and tools from the press.
  22.  
  23. Verify the hub turns smoothly without rubbing or binding.
  24.  
  25. Install the knuckle on the vehicle
  26.  
  27. Check the alignment and adjust as necessary.
  28.  

 
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