9-3 1999

Wheel Bearings

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Adjustment



The wheel bearings found in all Saab vehicles are sealed units requiring no adjustment.

Removal & Installation



  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Remove or disconnect the following:

    Hub nut, loosen only
     
    Front wheel
     
    Hub nut
     
    Wheel speed sensor
     
    Brake caliper
     
    Rotor and backing plate
     
    Tie rod end from the knuckle
     
    Sway bar from the lower control arm
     
    Ball joint out
     
    Three upper strut mounting bolts
     
    Strut housing
     

  4.  
  5. Press the hub from the wheel bearing.
  6.  
  7. Remove the 2 circlips on each side of the wheel bearing.
  8.  
  9. Press out the wheel bearing.
  10.  

To install:

  1. Install one circlip and press in wheel bearing until it contacts the circlip. Be sure the press tool contacts only the outer bearing race.
  2.  
  3. Install the other circlip.
  4.  
  5. Clean the bearing surface of the hub on a wire wheel. If the hub is pitted or damaged, it should be replaced.
  6.  
  7. Support the inner bearing race and press hub into wheel bearing. If the inner race is not properly supported, the bearing will fail quickly.
  8.  
  9. Install or connect the following:

    Strut assembly and torque the upper mounting bolts 13 ft. lbs. (18 Nm)
     
    Ball joint and a new self locking nut and torque the nut to 55 ft. lbs. (75 Nm)
     
    Tie rod end
     
    Sway bar and torque at the lower control arm link to 89 inch lbs. (10 Nm)
     
    Backing plate and rotor
     
    Caliper
     
    Wheel sensor
     
    Hub nut. Do not tighten.
     
    Wheel
     

  10.  
  11. With all 4 wheels on the ground torque the hub nut to 215 ft. lbs. (290 Nm).
  12.  
  13. Pump the brake pedal to position the brake caliper piston.
    CAUTION
    Do not attempt to move the vehicle until a firm pedal is obtained.

  14.  
  15. Check front wheel alignment.
  16.  

 
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