Mazda B-Series 1998-06

Steering Knuckle & Spindle

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Removal & Installation



2-Wheel Drive


Click image to see an enlarged view

Fig. Exploded view of the 1998 B Series Pick-up steering knuckle

The steering knuckle and spindle are an integral assembly.

  1. Position the steering wheel to the on-center position.
  2.  
  3. Loosen the wheel lug nuts then raise and safely support the front of the vehicle.
  4.  
  5. Remove the wheels.
  6.  
  7. Remove the front disc brake caliper, bracket and rotor. Also remove the rotor splash shield.
  8.  
  9. Remove the cotter pin and nut retaining the tie rod end to the steering knuckle.
  10.  
  11. Disconnect the tie rod end from the steering knuckle using a jawed puller, such as Pitman Arm Puller T64P-3590-F, or equivalent.
  12.  
  13. If equipped, unbolt the front wheel ABS sensor and wire harness from the steering knuckle.
  14.  
  15. Support the lower control arm with a jack. Remove the cotter pin and loosen the nut retaining the lower ball joint to the steering knuckle.
  16.  
  17. Disconnect the lower ball joint from the steering knuckle using a jawed puller, such as Pitman Arm Puller T64P-3590-F, or equivalent.
  18.  
  19. Remove the lower ball joint retaining nut and slowly raise the lower control arm until the ball joint stud is disengaged from the steering knuckle.
  20.  
  21. Remove the upper ball joint retaining bolt and nut from the steering knuckle then disconnect the joint from the knuckle.
  22.  
  23. Remove the steering knuckle/spindle assembly from the vehicle.
  24.  

To install:

  1. Inspect the upper and lower ball joints and seals for damage and replace as needed.
  2.  
  3. Position the steering knuckle onto the upper ball joint and install the retaining bolt and nut. Tighten the bolt to 30-41 ft. lbs. (40-55 Nm).
  4.  
  5. Install the lower ball joint stud into the steering knuckle until the stud protrudes through the knuckle.
  6.  
  7. Install the retaining nut to the lower ball joint stud and tighten to 84-113 ft. lbs. (113-153 Nm). Install the cotter pin, advancing (tightening) the nut as needed. Never loosen the ball joint nut in order to install the cotter pin.
  8.  
  9. Connect the tie rod end to the steering knuckle and install the retaining nut. Tighten to 57-77 ft. lbs. (77-104 Nm) and install the cotter pin, advancing (tightening) the nut as needed. Never loosen the ball