626 1999-2001

Wheel Bearings

Print

Adjustment



Specific to:

Mazda 6 2003

Mazda 626 1999-2002

Mazda Miata 1999-2004

Mazda Millenia 1999-2002

Mazda Protege 1999-2003

Mazda Protege5 2002-2003

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

Removal & Installation



Specific to:

Mazda 626 2001-2002

  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
     


    Click image to see an enlarged view

    Fig. Exploded view of the rear wheel hub and bearing assembly-Protege with disc brakes

    Tie rod end from the knuckle
     
    Control arm ball joint from the knuckle
     
    Knuckle assembly
     
    inner oil seal from the knuckle
     
    Hub using a press and Mazda tools 49 G033 103 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.
     
    bearing from the hub using a press and Mazda tools 49 G033 102 and 49 G033 106
     
    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.
  8.  


    Click image to see an enlarged view

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



    Click image to see an enlarged view

    Fig. Use a press to remove the hub-626



    Click image to see an enlarged view

    Fig. Use a press to remove the wheel bearing-626


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. Using press tools 49 G033 797, 49 F027 004 and 49 F027 003; press a new wheel bearing into the knuckle assembly.
  4.  
  5. Install or connect the following:

    wheel bearing retaining ring
     

  6.  
  7. Using press tools 49 G033 105, 49 F027 009; press in the hub assembly.

    New oil seal using installation tool 49 V001 795
     
    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
     

  8.  


    Click image to see an enlarged view

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



    Click image to see an enlarged view

    Fig. Install a new wheel bearing using a press-626



    Click image to see an enlarged view

    Fig. Install a wheel hub using a press-626


Specific to:

Mazda 626 1999-2002

  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
     
    Inner oil seal from the knuckle
     
    Hub using a press and Mazda tools 49 G033 103 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.
     
    Bearing from the hub using a press and Mazda tools 49 G033 102 and 49 G033 106
     
    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-626



    Click image to see an enlarged view

    Fig. Use a press to remove the hub-626



    Click image to see an enlarged view

    Fig. Use a press to remove the wheel bearing-626

  8.  

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. Using press tools 49 G033 797, 49 F027 004 and 49 F027 003; press a new wheel bearing into the knuckle assembly.
  4.  
  5. Install or connect the following:

    Wheel bearing retaining ring
     

  6.  
  7. Using press tools 49 G033 105, 49 F027 009; press in the hub assembly.

    New oil seal using installation tool 49 V001 795
     
    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



    Click image to see an enlarged view

    Fig. Install a new wheel bearing using a press-626



    Click image to see an enlarged view

    Fig. Install a wheel hub using a press-626

     

  8.  

 
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