Subaru ff-1/1300/1400/1600/1800/Brat 1970-1984 Repair Guide

Knuckle and Spindle

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REMOVAL & INSTALLATION



  1. Disconnect the negative (-) battery cable.
  2.  
  3. Apply the parking brake.
  4.  



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Fig. Fig. 1 Loosen and remove the fastener(s) which connect the housing and damper strut.



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Fig. Fig. 2 Loosen and remove the fastener(s) which connect the tie rod end ball stud

  1. Remove the front wheel cap and cotter pin, and loosen the castle nut and wheel nut.
  2.  
  3. Raise the vehicle, support it with jackstands and remove the front tires and wheels.
  4.  
  5. Release the parking brake.
  6.  
  7. Pull out the parking brake cable outer clip from the caliper.
  8.  



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Fig. Fig. 3 Loosen and remove the fastener(s) which connect the transverse link to the housing

  1. Disconnect the parking brake cable end from the caliper lever.
  2.  
  3. Loosen the two nuts and remove the disc brake assembly from the housing.
  4.  



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Fig. Fig. 4 Expand the slit of the housing using a hammer and chisel. Do not expand the slit more than 0.15 in. (4mm)



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Fig. Fig. 5 When you have expanded the slit, lower the housing gradually, being careful not to damage the ball joint boot

  1. Remove the two nuts which connect the housing and damper strut.
  2.  
  3. Remove the cotter pin and castle nut, then disconnect the the tie rod end ball joint from the housing knuckle arm by using a puller.
  4.  
  5. Disconnect the strut from the housing by opening the slit of the housing and lowering the housing gradually, being careful not to damage the ball joint boot.
  6.  


WARNING
Do not expand the slit of the housing more than 0.15 in. (4mm). If the housing is hard to remove from the strut, lightly tap the hub and disc with a large rubber mallet.

  1. Remove the castle nut, washer spring center piece on the axle shaft, and take out the hub and disc assembly.
  2.  
  3. Remove the disc cover.
  4.  
  5. Attach puller 921121000 or equivalent to the housing and drive the axle shaft out of the housing toward the engine at the bearing location.
  6.  


WARNING
If the inner bearing and/or oil seal are left on the axle shaft, remove them with a puller.

  1. Disconnect the transverse link from the housing,and detach the housing.
  2.  



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Fig. Fig. 6 Remove the disc and hub assembly being careful not to damage the splines on the axle shaft



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Fig. Fig. 7 Attach puller 921121000 or equivalent to the housing and drive the axle shaft out of the housing toward the engine at the bearing location

To install:

  1. Fit the housing onto the axle shaft and attach spacer installer 925130000 or 922430000 or their equivalents, on the outer bearing inner race taking care not to damage the oil seal lip. Then, connect the rod of the installer to the thread of the axle shaft so that the housing does not drop off the axle shaft.
  2.  
  3. Install the transverse link ball joint to the housing and torque the ball joint-to housing nut to 22-29 ft. lbs. (29-39 Nm).
  4.  
  5. Turn the handle while holding the rod end, by means of a spanner, thus pushing in the housing.
  6.  
  7. Connect the damper strut and housing by installing the two damper strut-to-housing bolts and torque to 22-29 ft. lbs. (29-39 Nm).
  8.  
  9. Connect the tie rod end ball joint and housing knuckle arm. Torque the castle nut 18-22 ft. lbs. (24-29 Nm).
  10.  
  11. After tightening the nut to the specified torque, further torque the nut just enough to align the holes of the nut and ball stud. Then insert a cotter pin into the ball stud and bend it around the castle nut.
  12.  
  13. Install the disc cover to housing and torque the cover-to-housing nut to 4.3-10.1 ft. lbs. (5-13 Nm).
  14.  
  15. Install the hub and disc assembly onto the axle shaft.
  16.  


WARNING
Be sure to press the hub and disc assembly onto the axle shaft until the end surface of the hub contacts the ball bearing. If the assembly is hard to press, rotate it to locate the point where it is easily pressed.

  1. Install the disc brake to housing assembly and torque the two bolts 36-51 ft. lbs. (48-69 Nm).
  2.  
  3. Connect the parking brake cable to the brake assembly.
  4.  
  5. Apply the parking brake.
  6.  
  7. Position the center piece, washer spring and castle nut in this order onto the axle shaft and tighten the castle nut to 145 ft. lbs. (196 Nm).
  8.  
  9. Insert a new cotter pin and bend it around the nut.
  10.  


WARNING
After tightening the nut to the specified torque, retighten it further until a slot of the castle nut is aligned to the hole in the axle shaft.

  1. Install the wheel and hub cap.
  2.  
  3. Remove the jackstands and lower the vehicle.
  4.  
  5. Connect the negative battery cable.
  6.  

 
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