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Front Axle: Removal & Installation Mazda 3 BL

Wheel Hubs 13 illustrations ~319 words

WHEEL HUB, STEERING KNUCKLE REMOVAL/INSTALLATION

CAUTIONPerforming the following procedures without first removing the ABS wheel-speed sensor may possibly cause an open circuit in the wiring harness if it is pulled by mistake. Before performing the following procedures, disconnect the ABS wheel-speed sensor connector (axle side) and fix the wiring harness to an appropriate place where it will not be pulled by mistake while servicing the vehicle.

Scheme 3

Scheme 3
Scheme 3
  1. Remove in the order indicated in the table.
  2. Install in the reverse order of removal.
  3. After installation, inspect the front wheel alignment and adjust it if necessary. (See «FRONT WHEEL ALIGNMENT»(ref-345222-S21528499172009102000000) .)
1ABS wheel-speed sensor connector
2ABS wheel-speed sensor
3Locknut
4Brake caliper component
5Disc plate
6Dust cover
7Tie-rod end ball joint
8Front lower arm ball joint
9Stabilizer control link upper nut
10Wheel hub, steering knuckle component
11Wheel hub nut
12Retaining clip
13Wheel bearing
14Steering knuckle
15Hub bolt

Callouts for (Scheme 3)

Scheme 4

Scheme 4: Locknut Removal Note
Scheme 4: Locknut Removal Note
  1. Knock the crimped portion of the locknut outward using a small chisel and a hummer.
  2. Lock the hub by applying the brakes.
  3. Remove the locknut.

Scheme 5

Scheme 5: Brake Caliper Removal Note
Scheme 5: Brake Caliper Removal Note
  1. Remove the brake caliper component from the steering knuckle and suspend it out of the way using a cable.

Scheme 6

Scheme 6: Wheel Hub, Steering Knuckle Component Removal Note
Scheme 6: Wheel Hub, Steering Knuckle Component Removal Note
  1. Separate the shock absorber from the wheel hub, steering knuckle component by tapping the upper part of the steering knuckle with a hammer.

Scheme 7

Scheme 7: Wheel Hub Component Removal Note
Scheme 7: Wheel Hub Component Removal Note
  1. Remove the wheel hub component using the SSTs.
  2. If the bearing inner race remains on the wheel hub component, use a chisel to secure a sufficient space for installing the SST (49 H027 002) between wheel hub component and bearing inner race.

Wheel Hub Bolt Removal Note

Note. The hub bolts do not need to be removed unless they are being replaced.

Scheme 8

Scheme 8: Wheel Hub Bolt Removal Note
Scheme 8: Wheel Hub Bolt Removal Note
  1. Remove the hub bolt using a press.

Scheme 9

Scheme 9: Wheel Hub Bolt Installation Note
Scheme 9: Wheel Hub Bolt Installation Note
  1. Install the new hub bolt using a press.

Scheme 10

Scheme 10: Wheel Bearing Installation Note
Scheme 10: Wheel Bearing Installation Note

Scheme 11

Scheme 11
Scheme 11
  1. Install the new wheel bearing using the SSTs.

Scheme 12

Scheme 12: Wheel Hub Component Installation Note
Scheme 12: Wheel Hub Component Installation Note
  1. Install the wheel hub component using the SSTs.

Scheme 13

Scheme 13: Locknut Installation Note
Scheme 13: Locknut Installation Note
  1. Install a new locknut and stake it as shown.

Scheme 14

Scheme 14: FRONT WHEEL HUB BOLT REPLACEMENT
Scheme 14: FRONT WHEEL HUB BOLT REPLACEMENT

Scheme 15

Scheme 15
Scheme 15
  1. Remove the brake calliper component and disc plate.
  2. Remove the wheel hub bolt using the SST as shown in the figure. NOTE: When removing the wheel hub bolts, perform the work between range A shown in the figure to assure a space for the bolt removal.
  3. Place a new wheel hub bolt in the wheel hub.
  4. Install the wheel hub by placing a proper sized washer on the hub, and tightening the nut as shown in the figure.

More articles — Front Axle