Toyota Pick-ups/Land Cruiser/4Runner 1970-1988

Steering Knuckle And Spindle

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REMOVAL & INSTALLATION



1970-78 Pick-Up-2WD

It will be necessary to obtain a spring compressor for installation.

  1. Raise the front of the vehicle and support on stands.
  2.  
  3. Remove wheel.
  4.  
  5. If vehicle has front disc brakes, remove brake caliper.
  6.  
  7. Remove axle hub dust cap. Remove cotter key, lock, front nut and front nut washer from axle hub. Remove front bearing and remove brake disc or drum.
  8.  
  9. On drum brakes, remove brake line and plug.
  10.  
  11. Remove cotter keys and 4 bolts holding the brake backing plate and brake shoes on drum and the rotor dust cover on disk brakes. Remove the plate or cover.
  12.  
  13. Remove steering link from back of knuckle.
  14.  
  15. Support the lower arm with a jack and raise to put pressure on spring.
  16.  


CAUTION
Be careful not to unbalance vehicle support stands when jacking up lower arm.

  1. Remove cotter key and large lower ball joint nut and separate the ball joint from the steering knuckle with a gear puller.
  2.  
  3. Repeat Step 9 on upper ball joint.
  4.  

Do not let the steering knuckle fall after removing upper ball joint.

  1. Use a spring compressor when reassembling. Observe the following torques:

    Large nut on upper ball joint: 66-94 ft. lbs.
     
    Large nut on lower ball joint: 87-123 ft. lbs.
     
    Rotor dust cover or drum backing plate to steering knuckle: 66-99 ft. lbs.
     

  2.  

  1. Bleed the brake system and refill the master cylinder.
  2.  

1979-88 Pick-Up-2WD

See Figure 1

  1. Raise the front of the truck and support with safety stands. Remove the wheels.
  2.  
  3. Remove the front axle hub. Remove the brake caliper.
  4.  
  5. Remove the 2 cotter pins and bolts and remove the dust cover.
  6.  
  7. Disconnect the knuckle arm from the steering knuckle.
  8.  
  9. Position a floor jack under the lower control arm and remove the 2 cotter pins and nuts attaching the knuckle to the ball joints.
  10.  
  11. Press the upper and lower ball joints out of the steering knuckle.
  12.  
  13. Remove the steering knuckle.
  14.  

To install:
  1. Install the steering knuckle into the 2 ball joints and tighten the upper nut to 80 ft. lbs. (108 Nm). Tighten the lower nut to 105 ft. lbs. (142 Nm). Install new cotter pins.
  2.  
  3. Install the knuckle arm and dust cover. Tighten the bolts to 80 ft. lbs. (108 Nm) and secure them with new cotter pins.
  4.  
  5. Install the front axle hub and brake caliper.
  6.  
  7. Install the wheels, lower the truck and check the alignment.
  8.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the steering knuckle and spindle-1979-88 2WD Pick-Up

1970-85 Pick-Up-4WD

Steering knuckle and spindle removal and installation procedures for these models are detailed under "Axleshaft, Hub, Bearing and Seal'' located in Drive Train of this repair guide.

1986-88 Pick-Up and 4Runner-4WD

See Figure 2

  1. Raise the front of the truck and support it on safety stands. Remove the wheels.
  2.  
  3. Remove the brake caliper. Remove the front axle hub.
  4.  
  5. Remove the dust cover and oil seal.
  6.  
  7. Disconnect the knuckle arm at the steering knuckle.
  8.  
  9. Disconnect the shock absorber at the lower control arm.
  10.  
  11. Disconnect the stabilizer bar at the lower control arm.
  12.  
  13. Remove the snapring and spacer from the end of the knuckle spindle.
  14.  
  15. Remove the cotter pin and nut from the upper ball joint and disconnect it from the knuckle.
  16.  
  17. Remove the 4 bolts and disconnect the lower ball joint from the knuckle.
  18.  
  19. Press down on the lower control arm and lift out the steering knuckle.
  20.  

To install:
  1. Coat the splines of the axleshaft with grease, press down on the lower control arm and slide the knuckle over the axleshaft and into position.
  2.  
  3. Connect the lower ball joint to the knuckle and tighten the 4 bolts to 43 ft. lbs. (58 Nm).
  4.  
  5. Connect the upper ball joint to the knuckle and 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 axleshaft.
  8.  
  9. Connect the stabilizer bar and the shock absorber to the lower arm.
  10.  
  11. Connect the knuckle arm to the steering knuckle and tighten the bolt to 120 ft. lbs. (163 Nm).
  12.  
  13. Install the dust cover with a new oil seal and tighten the bolt to 34 ft. lbs. (47 Nm).
  14.  
  15. Install the front axle hub and brake caliper.
  16.  
  17. Install the wheels, lower the truck and bleed the brakes.
  18.  



Click image to see an enlarged view

Fig. Fig. 2: Exploded view of the steering knuckle and spindle-1986-88 4WD Pick-Up and 4Runner

Land Cruiser
  1. Complete front axleshaft removal procedures in drive axle section, above.
  2.  
  3. Unbolt and remove the tie rod from the knuckle arm with a gear puller.
  4.  
  5. Remove the oil seal retainer at the back of the steering knuckle.
  6.  
  7. Remove the 4 nuts on the top steering knuckle cap along with the cone washers. See section on axleshaft removal for procedures in removing cone washers.
  8.  
  9. Remove the 4 nuts on the bottom steering knuckle cap along with cone washers.
  10.  
  11. Using a small drift and hammer, tap the knuckle bearing caps out from inside the steering knuckle.
  12.  

Do not tap on the bearings! Do not mix or lose the upper and lower bearing cap shims.

  1. To test the knuckle bearing preload, attach a spring scale to the end hole in the steering knuckle at a right angle to the arm. The force required to move the knuckle from side to side should be 4-5 lbs. If the preload is not correct, adjust by replacing shims.
  2.  

 
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