Steering knuckle and hub assembly - Toyota Nation Forum : Toyota Car and Truck Forums
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#1 Old 02-07-2007, 06:02 PM
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Steering knuckle and hub assembly

Steering knuckle and hub assembly —
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Remove or disconnect the following:
    • Negative battery cable. On vehicles equipped with an air bag, wait at least 90 seconds before proceeding.
    • Wheels
    • Axle nut cap
    • Axle nut
    • Caliper. Position the caliper aside with the hydraulic line still attached and suspend it with a wire.
    • ABS speed sensor
    • Rotor
  3. Loosen the nuts on the lower side of the strut assembly. Do not remove at this time.
  4. Remove or disconnect the following:
    • Tie rod end from the steering knuckle
    • Steering knuckle from the lower control arm
    • Knuckle from the strut assembly
    • Hub
    NOTE: Cover the halfshaft boot with a shop rag to protect it from any damage.
  5. Clamp the steering knuckle in a vise and remove the dust deflector. Remove the nut holding the steering knuckle to the ball joint. Press the ball joint out of the steering knuckle.
  6. Remove the inner axle seal.
    Removing the inner axle seal from the hub assembly
  7. Using a Torx® wrench, remove the bolts securing the dust cover.
  8. Using hub puller, remove the hub and backing plate from the steering knuckle.
    Removing the axle hub from the knuckle
  9. Using a proper sized driver and a press, remove the inner hub race from the axle hub.
  10. Using seal removal tool, remove the outer axle seal.
  11. Using snapring pliers, remove the snapring from the inner side of the steering knuckle.
    Removing the snapring from the knuckle before pressing out the bearing
  12. Using a proper sized driver and a press, remove the bearing from the steering knuckle. The bearing is pressed from the front of the steering knuckle and is removed through the back of the steering knuckle.
    Removing the bearing from the steering knuckle using a press
    To install:
  13. Perform the following:
  14. Using a proper sized driver and a press, install a new bearing to the steering knuckle.
  15. Install the snapring to the steering knuckle using snapring pliers.
  16. Using a seal driver and a hammer, install a new outer oil seal. Apply multipurpose grease to the oil seal lip.
  17. Place the dust cover on the steering knuckle. Bolts: 78 inch lbs. (9 Nm).
  18. Using a press and a proper sized driver, install the axle hub to the steering knuckle.
  19. Attach the ball joint to the steering knuckle. Install a new cotter pin.
  20. Using a seal driver and a hammer, install a new inner oil seal. Apply multipurpose grease to the oil seal lip.
  21. Install the knuckle and hub assembly to the axle and temporarily tighten the axle nut.
  22. Connect the knuckle assembly to the lower strut bracket. Temporarily insert the mounting bolts from the rear and install the nuts making sure the matchmarks made earlier are in alignment.
  23. Connect the lower ball joint to lower arm.
  24. Connect the tie rod end to the knuckle.
  25. Tighten on the lower side of the strut assembly.
  26. If equipped, install the ABS speed sensor.
  27. Install the brake disc and the caliper.
  28. Tighten the axle nut while someone depresses the brake pedal. Install the adjusting nut cap and insert a new cotter pin.
  29. Install the wheels to the vehicle. Verify that the wheel turns freely.
  30. Connect the negative battery cable to the battery.
  31. Check alignment.
Exploded view of the hub and wheel bearing assembly —
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Remove or disconnect the following:
    • Negative battery cable. On vehicles equipped with an air bag, wait at least 90 seconds before proceeding.
    • Wheel
    • Brake drum or rotor
    • With ABS brakes, ABS wheel speed sensor.
    • Hub
    • O-ring from the backing plate.
    To install:
  3. Install or connect the following:
    • New O-ring onto the backing plate. Coat the O-ring with multipurpose grease.
    • Hub to the knuckle. Bolts:
    • With ABS brakes, ABS wheel speed sensor.
    • Brake drum or rotor
    • Wheel
    • Negative battery cable
  4. Check alignment.
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