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

Upper Control Arm

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REMOVAL & INSTALLATION



See Figure 1

1970-88 Pick-Up-2WD
  1. Raise and support the truck under the frame.
  2.  
  3. Remove the wheel. Remove the brake caliper on models with disc brakes.
  4.  
  5. Raise the lower control arm with a floor jack.
  6.  
  7. Remove the nut from the upper ball joint stud.
  8.  
  9. Separate the ball joint from the steering knuckle.
  10.  
  11. Unbolt and remove the upper arm at the 2 bolts holding the inner shaft to the frame, taking note of the number, size and position of the aligning shims.
  12.  

To install:
  1. Install the upper arm with the adjusting shims in the same position and the same number as they were before removal. Tighten the bolts to 72 ft. lbs. (98 Nm).
  2.  
  3. Install the upper ball joint to the arm and tighten the bolts to 20 ft. lbs. (26 Nm). Raise the jack under the lower arm enough to connect the ball joint to the steering knuckle. Tighten the mounting nut to 80 ft. lbs. (108 Nm) and install a new cotter pin.
  4.  
  5. Install the caliper and wheels. Lower the truck and bounce it several times to set the suspension. Tighten the upper control arm shaft bolts to 93 ft. lbs. (126 Nm).
  6.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of upper control arm-typical

1986-88 Pick-Up and 4Runner-4WD
  1. Raise the truck and support it on safety stands. Remove the wheels.
  2.  
  3. Remove the torsion bar spring.
  4.  
  5. Remove the cotter pin and nut and press the upper ball joint out of the steering knuckle.
  6.  
  7. Remove the upper shock absorber mounting nut.
  8.  
  9. Disconnect the intermediate shaft from the steering gear housing. Remove the 2 nuts and bolt and lift out the upper arm.
  10.  

To install:
  1. Install the upper arm and tighten the mounting bolts to 111 ft. lbs. (150 Nm).
  2.  
  3. Connect the intermediate shaft to the steering gear housing.
  4.  
  5. Install a new upper shock absorber nut.
  6.  
  7. Connect the upper ball joint to the steering knuckle and tighten the nut to 105 ft. lbs. (142 Nm). Install a new cotter pin.
  8.  
  9. Install the torsion bar spring and check the alignment.
  10.  

 
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