Question about 2001 Oldsmobile Aurora

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Left front wheel bearing replacement diagram - 2001 Oldsmobile Aurora

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Duane Wong

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  • Oldsmobile Master
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Removal & Installation Front To Remove:
The front wheel bearings are not serviced separately. If the front wheel bearings are defective, the hub and bearing assembly must be replaced.

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Lubricate the threads on the halfshaft with clean engine oil.
  3. Remove or disconnect the following:
    • Front wheels
    • Halfshaft hub nut
    • Caliper from the steering knuckle WARNING
      DO NOT allow the brake hose to support the weight of the caliper.
    • Brake rotor
    • Anti-lock Brake System (ABS) sensor from the backing plate
    • Hub and bearing assembly from the backing plate
    • Hub and bearing assembly from the halfshaft
    • Hub and bearing assembly
To Install:
Exploded view of the front hub mounting and related components left front wheel bearing replacement - 7922xg36.gif

  1. Install or connect the following:
    • Hub and bearing assembly onto the halfshaft
    • Hub and bearing assembly to the backing plate. Torque the 3 bolts alternately and evenly to 70 ft. lbs. (95 Nm).
    • ABS sensor
    • Brake rotor
    • Caliper on the steering knuckle.
    • Halfshaft nut. Torque it to 118 ft. lbs. (160 Nm).
    • Front wheel. Torque the nuts to 100 ft. lbs. (140 Nm).

Posted on Oct 18, 2010

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5 Related Answers

Anonymous

  • 24 Answers

SOURCE: replace front wheel bearings

The bearings in your car are pressed into a hub. If the part is available as an assembly, it can be replaced that way. Generally on a front drive car:
Remove wheels and brake calipers
If it is pressed in: remove the rotors, disconnect the drive shafts and remove the steering knuckle. Then the old bearing is pressed out and the new one pressed in with a machine shop press. If the bearing is part of the hub, that will be unbolted and the new one swapped.

On a scale of 1-10 difficulty, Id rate it a strong 7

Posted on Jun 20, 2008

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Anonymous

  • 19 Answers

SOURCE: Replacing front wheel bearing

The brake rotor needs to be removed, drive shaft nut in center of hub then 3 bolts hold the hub assembly to spindle from back side. if it has abs unplug it then some work will need to be done with a hammer and chisel to work the bearing out of spindle and axle shaft from bearing

Posted on Oct 16, 2008

daves944

Dave C

  • 1050 Answers

SOURCE: 2003 Pontiac Montana Front Wheel Bearings

Remove the wheel, remove the hub nut, remove the brake caliper and rotor, put your socket and extension through the hub flange onto the bearing retainer bolts, undo them, release the abs sensor connector if it has it, remove the bearing and hub flange as an assembly, put the new one on and go backwards from here. Torque the hub nut to 180 ft/lbs, your done.

Posted on Apr 08, 2009

Ray Keckeisen

  • 599 Answers

SOURCE: wheel bearing replacement left front

what make and model are you trying to replace

Posted on Apr 08, 2009

blueextc3221

blueextc3221

  • 15935 Answers

SOURCE: replacing front wheel bearing

  1. Loosen the wheel nuts and the center axle nut.
  2. Raise the vehicle and safely support it.
  3. Remove the wheel. Remove the ABS speed sensor if so equipped.
  4. Unclamp the brake hose from the shock absorber, but do not disconnect the line.
  5. Remove the brake caliper and hang it out of the way on a piece of stiff wire. Do not disconnect the brake line; do not allow the caliper to hang by the hose.
  6. Remove the brake disc.
  7. Place a dial indicator near the center of the axle hub, and check the backlash in the bearing shaft direction. Maximum is 0.0020 inch (0.05mm). If the backlash exceeds the maximum, replace the bearing.
    1. Usiung a dial; indicator, check the deviation at the surface of the axle hub outside the hub bolt. Maximum is 0.0028 inch (0.07mm). If the deviation exceeds the maximum, replace the axle hub.
    2. Install the disc and caliper. Tighten to 65 ft. lbs. (88 Nm).
  8. Remove the cotter pin and install the wheel. Lower the vehicle to the ground.
  9. Remove the lock nut cap. While depressing the brake pedal, remove the center axle nut.
  10. Raise and support the vehicle again and remove the wheel, caliper and disc.
  11. Loosen the 2 nuts on the lower side of the shock absorber. Do not remove the 2 nuts and bolts.
  12. Remove the cotter pin and nut from the tie rod end.
  13. Remove the tie rod end from the knuckle using a joint separator or equivalent.
  14. Remove the bolt and 2 nuts holding the bottom of the ball joint to the control arm and separate the arm from the knuckle.
  15. Remove the 2 nuts from the steering knuckle. Place a protective cover or shield over the CV boot on the driveshaft.
  16. Using a plastic mallet, tap the driveshaft free of the hub assembly.
  17. Remove the bolts and remove the axle hub assembly.
    1. Clamp the knuckle in a vise with protected jaws.
    2. Remove the dust deflector. Loosen the nut holding the ball joint to the knuckle. Use a ball joint separator tool or equivalent to loosen and remove the joint
    3. Use a slide hammer/extractor to remove the outer oil seal.
    4. Remove the snapring.
    5. Using a hub puller and pilot tools or equivalents, pull the axle hub from the knuckle.
    6. Remove the brake splash shield (3 bolts).
    7. Use a split plate bearing remover, puller pilot and a shop press, remove the inner bearing race from the hub.
    8. Remove the inner oil seal with the same tools used to remove the outer seal.

    To install:
    1. Place the inner race in the bearing. Support the knuckle and use an axle hub remover with a plastic mallet to drive out the bearing.
    2. Clean and inspect all parts but do not wash or clean the wheel bearing; it cannot be repacked. If the bearing is damaged or noisy, it must be replaced.
    3. Press a new bearing race into the steering knuckle using a bearing driver of the correct size.
    4. Place a new bearing inner race on the hub bearing.
    5. Insert the side lip of a new oil seal into the seal installer and drive the oil seal into the steering knuckle.
    6. Apply multi-purpose grease to the oil seal lip.
    7. Apply sealer to the brake splash shield and install the shield.
    8. Use a hub installer to press the hub into the steering knuckle.
    9. Install a new snapring into the hub.
    10. Using a seal installer of the correct size, install a new outer oil seal into the steering knuckle.
    11. Apply multi-purpose grease to the seal surfaces which will contact the driveshaft.
    12. Support the knuckle and drive in a new dust deflector.
    13. Install the ball joint into the knuckle and tighten the nut to 105 ft. lbs. (142). Install NEW cotter pin.
    14. Temporarily install the hub assembly to the lower control arm and fit the driveaxle into the hub.
    15. Install the knuckle to strut bolts, then attach the tie rod end to the knuckle.
    16. Tighten the strut bracket nuts to 203 ft. lbs. (275 Nm) and tighten the tie rod end nut to 36 ft. lbs. (49 Nm). Install the NEW cotter pin.
    17. Connect the ball joint to the lower control arm and tighten the nuts to 105 ft. lbs. (142 Nm).
    18. Install the brake disc.
    19. Attach the brake caliper to the knuckle and tighten the bolts to 65 ft. lbs. (88 Nm).
    20. Install the center nut and washer on the drive axle.
    21. Install the ABS speed sensor if so equipped. Install the wheel
    22. Lower the car to the ground.
    23. Tighten the wheel nuts to 76 ft. lbs. (103 Nm). Tighten the hub nut while depressing the brake pedal to 137 ft. lbs. (186 Nm) on 1988-91 models and 152 ft. lbs. (206 Nm) on 1992-97 models. Install the cap and cotter pin.
    24. Remove the protective cover from the CV boot. Check front wheel alignment

Posted on Apr 25, 2009

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