Toyota Pick-ups/Land Cruiser/4Runner 1989-1996

Steering Knuckle and Spindle

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REMOVAL & INSTALLATION



Pick-Up and 4Runner
1989-95 MODELS
  1. Raise the front of the truck and support it on safety stands. Remove the wheels.
  2.  
  3. Remove the brake caliper. Remove the brake disc and front axle hub.
  4.  


CAUTION
Brake pads and shoes may contain asbestos, which has been determined to be a cancer causing agent. Never clean the brake surfaces with compressed air. Avoid inhaling any dust from brake surfaces. When cleaning brakes, use commercially available brake cleaning fluids.

  1. Remove the dust cover (splash shield) and oil seal.
  2.  
  3. Disconnect the knuckle arm at the steering knuckle.
  4.  
  5. Disconnect the shock absorber at the lower control arm.
  6.  
  7. Disconnect the stabilizer bar at the lower control arm.
  8.  
  9. Remove the snapring and spacer from the end of the knuckle spindle.
  10.  
  11. Remove the cotter pin and nut from the upper ball joint. Use a ball joint separator to disconnect it from the knuckle.
  12.  
  13. Remove the 4 bolts and disconnect the lower ball joint from the knuckle.
  14.  
  15. Press down on the lower control arm and lift out the steering knuckle.
  16.  

To install:
  1. Coat the splines of the axle shaft with grease, press down on the lower control arm and slide the knuckle over the axle shaft and into position.
  2.  
  3. Attach the lower ball joint to the knuckle, then tighten the 4 bolts to 43 ft. lbs. (58 Nm).
  4.  
  5. Attach the upper ball joint to the knuckle, then tighten the nut to 105 ft. lbs. (142 Nm). Install a new cotter pin.
  6.  
  7. Install the spacer and snapring to the end of the axle shaft.
  8.  
  9. Connect the stabilizer bar and the shock absorber to the lower arm.
  10.  
  11. Connect the knuckle arm to the steering knuckle, then tighten the bolt to 135 ft. lbs. (183 Nm).
  12.  
  13. Install the dust cover with a new oil seal and tighten the bolt to 13 ft. lbs. (18 Nm).
  14.  
  15. Install the brake disc and brake caliper.
  16.  
  17. Install the wheels. Lower the vehicle to the ground.
  18.  
  19. Bleed the brakes.
  20.  
  21. Have the alignment checked at a reputable repair facility.
  22.  

4Runner
1996 MODELS
  1. Remove the front wheel.
  2.  
  3. Remove the shock absorber.
  4.  
  5. Remove the grease cap.
  6.  
  7. On models with ABS, remove the ABS speed sensor and wire harness clamp from the steering knuckle.
  8.  
  9. Remove the brake line bracket from the steering knuckle.
  10.  
  11. Remove the caliper and rotor.
  12.  
  13. Disconnect the lower ball joint.
  14.  
  15. Remove the steering knuckle with hub as follows:
    1. Remove the cotter pin and loosen the nut.
    2.  
    3. Using a special tool 09950-40010 or equivalent, disconnect the steering knuckle.
    4.  
    5. Remove the nut and knuckle.
    6.  

  16.  

To install:
  1. Attach the steering knuckle and tighten the nut to 80 ft. lbs. (108 Nm). Install a new cotter pin.
  2.  
  3. Attach the lower ball joint, tighten the four mounting bolts to 59 ft. lbs. (80 Nm).
  4.  
  5. Attach the caliper and rotor.
  6.  
  7. Install the brake line bracket to the steering knuckle, tighten to 21 ft. lbs. (28 Nm).
  8.  
  9. Attach the ABS speed sensor and wire harness clamp if removed, tighten to 71 inch lbs. (8 Nm).
  10.  
  11. Install the grease cap.
  12.  
  13. Install the shock absorber.
  14.  
  15. Attach the wheel, lower the vehicle.
  16.  
  17. Tighten the lug nuts, the bleed the brake system.
  18.  
  19. Have the alignment checked at a reputable repair facility.
  20.  

Tacoma

See Figure 1

  1. Remove the front wheel.
  2.  
  3. Remove the shock absorber.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the steering knuckle and hub-Tacoma shown

  1. Disconnect the driveshaft as follows:
    1. Without a freewheeling hub, use a flat bladed tool to remove the grease cap.
    2.  
    3. Remove the cotter pin and lock cap.
    4.  
    5. Have an assistant apply the brakes, then remove the locknut.
    6.  
    7. With free wheeling hubs, remove the free wheel hub.
    8.  
    9. Using a snapring expander, removed the snapring.
    10.  
    11. Remove the spacer.
    12.  

  2.  
  3. On models with ABS, remove the ABS speed sensor and wire harness clamp from the steering knuckle.
  4.  
  5. Remove the caliper and rotor.
  6.  
  7. Disconnect the lower ball joint.
  8.  
  9. Remove the steering knuckle with hub as follows:
    1. Remove the cotter pin and loosen the nut.
    2.  
    3. Using a special tool 09950-40010 or equivalent, disconnect the steering knuckle.
    4.  
    5. Remove the nut and knuckle.
    6.  

  10.  

To install:
  1. Attach the steering knuckle and tighten the nut to 80 ft. lbs. (108 Nm). Install a new cotter pin.
  2.  
  3. Attach the lower ball joint, tighten the four mounting bolts to 59 ft. lbs. (80 Nm).
  4.  
  5. Attach the caliper and rotor.
  6.  
  7. Attach the ABS speed sensor and wire harness clamp if removed, tighten to 71 inch lbs. (8 Nm).
  8.  
  9. Attach the driveshaft.
  10.  
  11. Install the shock absorber.
  12.  
  13. Attach the wheel, lower the vehicle.
  14.  
  15. Tighten the lug nuts, the bleed the brake system.
  16.  
  17. Have the alignment checked at a reputable repair facility.
  18.  

T100
  1. Remove the front wheels.
  2.  
  3. Remove the caliper and front axle hub.
  4.  
  5. Measure the steering knuckle bushing thrust clearance as follows:
    1. Install a bolt in the drive shaft.
    2.  
    3. Using a feeler gauge, measure the drive shaft thrust clearance between the steering knuckle outside bushing and spacer, by pulling the bolt and applying a load of 22 lb. (98 N).
    4.  
    5. Standard clearance: 0.0039-0.0197 in. (0.10-0.50mm). Maximum 0.039 in. (1.0mm).
    6.  
    7. If the thrust clearance is more than the maximum, replace the steering knuckle outside and inside bushings.
    8.  

  6.  
  7. Detach the front shock from the lower control arm.
  8.  
  9. Separate the stabilizer bar from the lower control arm.
  10.  
  11. Remove the steering knuckle as follows:
    1. Using a pair of snapring pliers, remove the ring and spacer.
    2.  
    3. Support the lower control arm with a jack.
    4.  
    5. Remove the cotter pin and nut from the upper ball joint.
    6.  
    7. Using a ball joint separator, detach the joint from the knuckle.
    8.  
    9. Remove the bolts from the lower ball joint, then disconnect the knuckle from the joint.
    10.  
    11. Push down the lower control arm, then remove the knuckle. Be careful not to damage the seal.
    12.  

  12.  

To install:
  1. Install the knuckle as follows:
    1. Apply synthetic oil and lithium soap base chassis grease NLGI No. 1 or equivalent to the driveshaft.
    2.  
    3. Push down on the lower control arm, then install the steering knuckle.
    4.  
    5. Connect the lower ball joint to the steering knuckle, tighten the nut to 105 ft. lbs. (142 Nm).
    6.  
    7. Install a new cotter pin.
    8.  
    9. Install a spacer to the driveshaft.
    10.  
    11. Using a pair of snapring pliers, install the ring.
    12.  

  2.  

If you replace the knuckle bushing, recheck the clearance of the driveshaft thrust.

  1. Connect the stabilizer bar to the lower control arm, tighten the nut to 19 ft. lbs. (25 Nm).
  2.  
  3. Attach the front shock to the lower control arm, tighten the nut to 101 ft. lbs. (137 Nm).
  4.  
  5. Install the dust cover and new seal, tighten to 13 ft. lbs. (18 Nm).
  6.  
  7. Install the front axle hub and caliper.
  8.  
  9. Install the wheel, lower the vehicle.
  10.  
  11. Tighten the lug nuts. Check the front end alignment.
  12.  
  13. Check the ABS speed sensor signal.
  14.  

Land Cruiser
  1. Remove the front axle hub.
  2.  


CAUTION
Brake pads and shoes may contain asbestos, which has been determined to be a cancer causing agent. Never clean the brake surfaces with compressed air. Avoid inhaling any dust from brake surfaces. When cleaning brakes, use commercially available brake cleaning fluids.

  1. Remove the knuckle spindle mounting bolts.
  2.  
  3. Remove the dust seal and dust cover (splash shield).
  4.  
  5. Tap the knuckle spindle gently and remove it from the steering knuckle.
  6.  
  7. Turn the axle so that one flat part of the outer shaft faces upward; pull out the axle shaft.
  8.  
  9. Use a separator to disconnect the tie rod end from the knuckle arm.
  10.  
  11. Remove the oil seal and retainer.
  12.  
  13. Remove the knuckle arm bearing and bearing cap nuts. Lightly tap the slits of the washers and remove them. Push out the knuckle arm and shims from the steering knuckle. Don't lose the shims.
  14.  
  15. Remove the steering knuckle and bearing. Mark the removed adjusting shims and bearings by position for reassembly.
  16.  

To install:
  1. Install a new oil seal if it was removed from the axle housing. Install a new oil seal set (felt dust seal, rubber seal and steel ring, in that order).
  2.  
  3. Place the bearings in position on the knuckle and axle housing. Place the knuckle onto the housing.
  4.  
  5. Support the upper bearing inner race on the knuckle arm. Install the arm over the shims, making sure the shims are in their exact original location. Tap the knuckle arm into the inner race.
  6.  
  7. Support the lower bearing inner race. Install the bearing cap over the shims, making sure the shims are in their exact original location. Tap the bearing cap into the inner race.
  8.  
  9. Remove the race supports. Install the cone washers to the third arm and tighten the nuts to 71 ft. lbs. (96 Nm). Install the cone washers to the knuckle arm and tighten the nuts to the same value.
  10.  
  11. Use a spring tension gauge to measure the bearing preload. Correct preload is 6.6-13.2 lbs. (19-59 N).
  12.  
  13. Connect the tie rod to the knuckle arm. Tighten the castle nut to 67 ft. lbs. (91 Nm). Install a new cotter pin.
  14.  
  15. Install the oil seal set to the knuckle.
  16.  
  17. Install the axle shaft.
  18.  
  19. Pack the knuckle about 3/4 full with moly-disulfide grease.
  20.  
  21. Place a new gasket on the knuckle and install the spindle. Install the gasket, dust cover and dust seal on the spindle. Tighten the spindle mounting bolts to 34 ft. lbs. (47 Nm).
  22.  
  23. Install the axle hub.
  24.  
  25. Have the alignment checked at a reputable repair facility.
  26.  

 
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