Mazda Car 2002-04

Steering Knuckle

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Removal & Installation



  1. Refer to the illustration for component location and torque specifications.
  2.  
  3. Remove or disconnect the following:

    Wheels
     
    Halfshaft axle nut, unstake the nut prior to removal
     
    Brake caliper and rotor
     
    Tie rod end from the knuckle
     
    Control arm ball joint from the knuckle
     
    Knuckle assembly

    Click image to see an enlarged view

    Fig. Exploded view of the front wheel bearing and knuckle assembly-626

     

  4.  

To install:

  1. Using Mazda Press tools 49 G033 107a and 49 F027 009, install a new dust shield cover assembly to the knuckle, if removed.
  2.  
  3. Install or connect the following:

    Knuckle assembly, tighten the upper bolt to 61 ft. lbs. (83 Nm) and the lower bolt to 41 ft. lbs. (56 Nm)
     
    Control arm ball joint to the knuckle
     
    Tie rod end to the knuckle
     
    Brake rotor and caliper
     
    Halfshaft axle nut, tighten the nut to 174-235 ft. lbs. (236-318 Nm) and stake the nut
     
    Wheels

    Click image to see an enlarged view

    Fig. Install a new dust cover, if removed-626

     

  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
     
    Halfshaft axle nut, Unstake the nut prior to removal
     
    Brake caliper and rotor
     
    Tie rod end from the knuckle
     
    Control arm ball joint from the knuckle
     
    Knuckle assembly

    Click image to see an enlarged view

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

     

  6.  

To install:

  1. Using Mazda Press tools 49 E033 101 and 49 F027 009, install a new dust shield cover assembly to the knuckle, if removed.
  2.  
  3. Install or connect the following:

    Knuckle assembly, tighten the upper bolt to 93 ft. lbs. (126 Nm) and the lower bolt to 43 ft. lbs. (58 Nm)
     
    Control arm ball joint to the knuckle
     
    Tie rod end to the knuckle
     
    Brake rotor and caliper
     
    Halfshaft axle nut, tighten the nut to 174-235 ft. lbs. (236-318 Nm) and stake the nut
     
    Wheels
     

  4.  



Click image to see an enlarged view

Fig. Exploded view of the knuckle assembly and related components-Miata

  1. Before servicing the vehicle, refer to the Precautions section.
    NOTE
    The wheel bearings are not serviceable. If the bearings are bad, a new hub/bearing assembly must be installed.

  2.  
  3. Remove or disconnect the following:

    Front wheels
     
    Hub center dust cap
     

  4.  
  5. Raise the staked portion of the hub locknut with a hammer and chisel. Lock the hub by applying the brakes and loosen the nut.

    Brake caliper
     
    Brake rotor
     
    Hub locknut and discard it
     
    Hub from the spindle
     
    Tie rod end from the knuckle
     
    Control arm ball joint from the knuckle
     
    Knuckle assembly
     

  6.  

To install:

  1. Install or connect the following:

    Knuckle assembly. Tighten the retainers to the specifications shown in the illustration.
     
    Hub to the spindle
     
    Hub locknut. Torque the nut to 123-159 ft. lbs. (167-215 Nm).
     
    Stake the new nut into the spindle groove using a dull chisel
     
    Brake rotor
     
    Brake caliper
     
    Hub center dust cap
     
    Front wheels
     

  2.  

  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
     
    Halfshaft axle nut, Unstake the nut prior to removal.
     
    Brake caliper and rotor
     
    Tie rod end from the knuckle
     
    Upper leading link ball joint
     
    Upper lateral link ball joint
     
    Lower ball joint
     
    Knuckle assembly

    Click image to see an enlarged view

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

     

  6.  

To install:

  1. Using Mazda Press tools 49 G033 107a and 49 G026 103, install a new dust shield cover assembly to the knuckle, if removed.
  2.  
  3. Install or connect the following:

    Knuckle assembly, tighten the upper bolt to the specifications shown in the illustration
     
    Lower ball joint
     
    Upper lateral link ball joint
     
    Upper leading link ball joint
     
    Tie rod end to the knuckle
     
    Brake caliper and rotor
     
    Halfshaft axle nut, tighten the nut to 174-235 ft. lbs. (236-318 Nm) and stake the nut
     
    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 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

    Click image to see an enlarged view

    Fig. Exploded view of the front wheel bearing and knuckle assembly-Mazda 3

     

  6.  

To install:

  1. Install or connect the following:

    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
     

  2.  

  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
     
    Steering knuckle

    Click image to see an enlarged view

    Fig. Exploded view of the front wheel bearing and knuckle assembly-Mazda 6 models

     

  6.  

To install:

  1. Install or connect the following:

    Steering knuckle. Refer to the illustration for torque values.
     
    Wheel hub dust cover
     
    Wheel bearing assembly.
     
    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-Mazda 6 models



    Click image to see an enlarged view

    Fig. Install a new wheel bearing using a press-Mazda 6 models



    Click image to see an enlarged view

    Fig. Install a wheel hub using a press-Mazda 6 models

     

  2.  

 
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