Mazda Car 2005-06

Wheel Bearings

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Adjustment



The front wheel bearings are not adjustable. If the bearings become loose or make noise, they must be replaced.

Removal & Installation



  1. Before servicing the vehicle, refer to the precautions section.
    NOTE
    Refer the exploded view illustration for component locations and if applicable, their retainer torque specifications.


    CAUTION
    Performing 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 operations, remove the ABS wheel-speed sensor (axle side) and move the sensor away from the harnesses.

  2.  
  3. Disconnect the ABS wheel-speed sensor.
  4.  
  5. Remove the caliper with the hose still attached and support the assembly with wire so as to not place strain on the hose.
  6.  
  7. Remove the rotor.
  8.  
  9. Disconnect the tie-rod end from the knuckle.
  10.  
  11. Disconnect the stabilizer control link nut (lower).
  12.  
  13. Disconnect the front upper arm ball joint from the knuckle.
  14.  
  15. Remove the front upper arm bolt.
  16.  
  17. Disconnect the front lower arm ball joint from the knuckle.
  18.  
  19. Remove the Steering knuckle assembly
  20.  
  21. Remove the dust cover.
  22.  
  23. Remove the wheel hub bolts from the wheel hub using a press.
  24.  
  25. Remove the hub assembly.
  26.  

To install:

  1. Install the hub assembly. tighten the bolts to 54-60 Nm (40-44 ft. lbs.).
  2.  
  3. Press in new wheel hub bolts into the wheel hub using a press.
  4.  
  5. Install the remaining components in the reverse order of removal using the accompanying illustration for torque values.
  6.  
  7. Inspect the wheel alignment.

    Click image to see an enlarged view

    Fig. Exploded view of front hub and knuckle assembly-MX-5 Miata

  8.  

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Refer to the illustration for component location and torque specifications.
  4.  
  5. Remove or disconnect the following:

    Wheels
     
    ABS sensor connector and the sensor
     
    Halfshaft lockbolt
     
    Brake caliper and rotor
     
    Tie rod end from the knuckle
     
    Lower control arm ball joint from the knuckle
     
    Stabilizer bar link nut
     
    Knuckle assembly
     
    Hub bearing using a press and Mazda tools 49 G030 795 and 49 B033 1A0
     

  6.  
  7. Clean and inspect all parts but do not wash or clean the wheel bearing. The bearing must be replaced.

    Click image to see an enlarged view

    Fig. Exploded view of the front wheel bearing and knuckle assembly-Mazda3



    Click image to see an enlarged view

    Fig. Use a press and the tools illustrated to disassemble the hub/bearing assembly-Mazda3

  8.  

To install:

  1. Using Mazda Press tools 49 H034 201 and 49 B033 1A0, press a new wheel bearing into the knuckle assembly. Make sure the installation tool engages to the bearing outer race properly to avoid damage.

    Click image to see an enlarged view

    Fig. Use a press and the tools illustrated to assemble the hub/bearing assembly-Mazda3

  2.  
  3. Install or connect the following:

    Press the hub onto the knuckle
     
    Knuckle assembly, tighten the bolts to the specifications shown in the accompanying illustration
     
    Control arm ball joint to the knuckle tighten, the bolts to the specifications shown in the accompanying illustration
     
    Tie rod end to the knuckle, tighten the bolts to the specifications shown in the accompanying illustration
     
    Brake rotor and caliper
     
    New halfshaft lockbolt and tighten to 23-28 ft. lbs. (31-38 Nm), plus an additional 85-95 degrees
     
    ABS sensor and connector
     
    Wheels
     

  4.  

  1. Before servicing the vehicle, refer to the precautions section.
  2.  
  3. Refer to the illustration for component location and torque specifications.
  4.  
  5. Remove or disconnect the following:

    Wheels
     
    ABS sensor
     
    Halfshaft axle nut, unstake the nut prior to removal.
     
    Brake caliper and rotor
     
    Tie rod end from the knuckle
     
    Damper fork-to-control arm bolt
     
    Front lower control arm ball joints
     
    Front upper arm ball joint
     
    Wheel hub dust cover
     
    Hub bolts and the hub
     
    Hub using a press and Mazda tools 49 F026 10, 49 G033 102 and 49 G033 105. If the bearing inner race remains in the hub, grind a section of the bearing inner race until 0.02 inch (0.5mm) remains and use a chisel to remove it.
     
    Snap ring
     
    Bearing from the hub using a press and the tools illustrated
     
    Brake dust shield, if it is being replaced. Mark the cover and knuckle for replacement purposes and use a chisel to remove the shield.
     

  6.  
  7. Clean and inspect all parts but do not wash or clean the wheel bearing. The bearing must be replaced.

    Click image to see an enlarged view

    Fig. Exploded view of the front wheel bearing and knuckle assembly-Mazda6 and Mazdaspeed6 models



    Click image to see an enlarged view

    Fig. Use a press to remove the hub-Mazda6 and Mazdaspeed6 models



    Click image to see an enlarged view

    Fig. Use a press to remove the wheel bearing-Mazda6 and Mazdaspeed6 models

  8.  

To install:

  1. Using the tools illustrated, install a new dust shield cover assembly to the knuckle, if removed.
  2.  
  3. Using the tools illustrated, press a new wheel bearing into the knuckle assembly and install the snap ring.
  4.  
  5. Install or connect the following:

    Wheel bearing retaining ring
     

  6.  
  7. Using the tools illustrated, press in the hub assembly.

    Wheel hub dust cover
     
    Front upper arm ball joint and tighten the nut to 29-39 ft. lbs. (39-53 Nm)
     
    Front lower arm ball joints and tighten the nuts to 122-147 ft. lbs. (166-200 Nm)
     
    Damper fork bolt and tighten to 68-93 ft. lbs. (93-126 Nm)
     
    Tie rod end to the knuckle and tighten the nut to 29-39 ft. lbs. (39-53 Nm) and install a new cotter pin
     
    Brake caliper and rotor
     
    Halfshaft axle nut, tighten the nut to 173-202 ft. lbs. (235-274 Nm) and stake the nut
     
    Wheels

    Click image to see an enlarged view

    Fig. Install the dust shield-Mazda6 and Mazdaspeed6 models



    Click image to see an enlarged view

    Fig. Install a new wheel bearing using a press-Mazda6 and Mazdaspeed6 models



    Click image to see an enlarged view

    Fig. Install a wheel hub using a press-Mazda6 and Mazdaspeed6 models

     

  8.  

 
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