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

Lower Control Arm

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REMOVAL & INSTALLATION



Pick-Up
  1. Raise the truck and support it on safety stands. Remove the wheels.
  2.  
  3. Remove the cotter pin and nut; use the correct tool to separate the tie rod end.
  4.  
  5. Remove the torsion bar spring.
  6.  
  7. Remove the shock absorber.
  8.  
  9. Disconnect the stabilizer bar from the lower arm.
  10.  
  11. Disconnect the strut bar from the lower arm.
  12.  
  13. Unbolt and remove lower ball joint.
  14.  
  15. Remove the lower suspension arm.
  16.  

If the lower ball joint is not to be replaced, simply unbolt it from the lower control arm. It is not necessary to separate the ball joint from the steering knuckle.

To install:
  1. Install the torque arm bolts to the lower arm. Place the torque arm on the lower shaft.
  2.  
  3. Set the torque arm in its installation position, install the lower arm shaft and the torque arm. Finger-tighten the lower arm bolts and then remove the torque arm. Do not tighten the nut much beyond snug.
  4.  
  5. Attach the lower ball joint to the suspension arm. Tighten the 3 bolts to 94 ft. lbs. (127 Nm).
  6.  
  7. Install the strut bar to the lower arm and connect the stabilizer bar to the arm.
  8.  
  9. Install the shock absorber. Tighten the lower mount to 13 ft. lbs. (18 Nm) and the upper mount to 18 ft. lbs. (25 Nm).
  10.  
  11. Attach the tie rod to the knuckle. Tighten the nut to 67 ft. lbs. (90 Nm). Install a new cotter pin to secure the nut.
  12.  
  13. Install the torsion bar.
  14.  
  15. Install the wheel(s) and lower the vehicle. Bounce the front end several times to stabilize the suspension.
  16.  
  17. Tighten the lower suspension nut to 166 ft. lbs. (226 Nm.)
  18.  


WARNING
Do not tighten the control arm bolt fully until the vehicle is lowered. If the bolts are tightened with the control arm(s) hanging, excessive bushing wear will result.

  1. Have the alignment checked at a reputable repair facility.
  2.  

4Runner
1989-95 MODELS
  1. Remove the shock absorber.
  2.  
  3. Disconnect the stabilizer bar from the lower control arm.
  4.  
  5. Disconnect the lower control arm from the lower ball joint. Discard the old cotter pin. A ball joint separator will be needed.
  6.  
  7. Place matchmarks on the front and rear adjusting cams.
  8.  
  9. Remove the nuts and adjusting cams, then remove the lower control arm.
  10.  

To install:
  1. Install the lower control arm to the frame with the adjusting cams.
  2.  
  3. Install the two nuts to the front and rear adjusting cams.
  4.  
  5. Connect the lower control arm to the lower ball joint, then tighten the nut to 105 ft. lbs. (142 Nm).
  6.  
  7. Connect the stabilizer bar link to lower control arm with the cushions, retainers and nuts. Tighten to 19 ft. lbs. (25 Nm).
  8.  
  9. Install the shock absorber to the lower control arm, tighten to 101 ft. lbs. (137 Nm).
  10.  
  11. Install the wheel, then remove the stands and bounce the vehicle up and down to stabilize the suspension. Align the matchmarks, then tighten the nuts to 145 ft. lbs. (196 Nm).
  12.  
  13. Check the front wheel alignment.
  14.  

1996 MODELS



  1. Remove the front wheel.
  2.  
  3. Remove the steering gear assembly.
  4.  
  5. Disconnect the stabilizer bar link.
  6.  
  7. Unbolt the shock absorber from the lower control arm.
  8.  
  9. Support the upper control arm and the steering knuckle securely.
  10.  
  11. Remove the cotter pin and nut from the lower ball joint.
  12.  
  13. Using a ball joint remover, disconnect the lower ball joint from the control arm.
  14.  
  15. Place matchmarks on the front and rear adjusting cams. Remove the bolts, nuts, adjusting cams and lower control arm.
  16.  
  17. Using tool SST 09922-10010 or equivalent, remove the 2 spring bumpers.
  18.  
  19. Install in the reverse order. Tighten the spring bumpers to 17 ft. lbs. (23 Nm), the lower control arm to 96 ft. lbs. (130 Nm), and the lower ball joint nut to 105 ft. lbs. (142 Nm).
  20.  

Tacoma

See Figure 1

  1. Remove the front wheel.
  2.  
  3. Remove the shock absorber.
  4.  
  5. Compress the spring using a spring compressor, following the manufacturer's instructions.
  6.  



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the lower control arm and related front suspension components-Tacoma

  1. Disconnect the stabilizer bar as follows:
    1. Remove the nut and stabilizer bar link from the lower control arm.
    2.  
    3. Remove the 2 stabilizer bar bracket set bolts.
    4.  

  2.  
  3. Remove the lower control arm and strut bar as follows:
    1. Support the upper control arm and steering knuckle securely.
    2.  
    3. Support the upper control arm and steering knuckle assembly.
    4.  
    5. Remove the cotter pin and nut.
    6.  
    7. Using a ball joint extractor, disconnect the lower ball joint from the lower control arm.
    8.  
    9. Loosen the lower control arm set bolt and remove the nut.
    10.  
    11. Loosen the strut bar front set bolt, then remove the nut.
    12.  
    13. Pull out the bolts and remove the lower control arm along with the strut bar.
    14.  

  4.  
  5. Remove the coil spring compressor tool and coil.
  6.  
  7. Remove the nuts and strut bar from the lower control arm. Separate the nut and spring bumper.
  8.  
  9. Remove the lower suspension arm No. 3.
  10.  

To install:
  1. Attach the lower suspension arm No. 3 to the vehicle, tighten the mounting bolts to 111 ft. lbs. (150 Nm).
  2.  
  3. Install the spring bumper, tighten to 32 ft. lbs. (43 Nm) and the strut bar to the lower control arm 111 ft. lbs. (150 Nm).
  4.  
  5. Place each end of the coil spring and lower control arm seat in contact when applying the coil spring expander.
  6.  
  7. Install the lower control arm and strut bar as follows:
    1. Attach the strut bar front set bolt, tighten to 221 ft. lbs. (300 Nm) make sure the suspension is stabilized prior to tightening the bolt.
    2.  
    3. Install the lower control arm set bolt and nut, tighten to 148 ft. lbs. (200 Nm). Make sure the suspension is stabilized prior to tightening the bolt.
    4.  
    5. Install the lower ball joint with a ball joint installer tool. Install the nut and cotter pin. Tighten the nut to 80 ft. lbs. (110 Nm).
    6.  

  8.  
  9. Attach the stabilizer bar bracket set bolts, tighten to 22 ft. lbs. (29 Nm).
  10.  
  11. Install the stabilizer link to the lower control arm, tighten to 29 ft. lbs. (39 Nm).
  12.  
  13. Remove the spring compressing tool.
  14.  
  15. Install the shock absorber.
  16.  
  17. Install the wheel, lower the truck and tighten the lug nuts.
  18.  
  19. Have the alignment checked at a reputable repair facility.
  20.  

T100
  1. Remove the wheel.
  2.  
  3. Remove the engine under cover.
  4.  
  5. Remove the torsion bar spring.
  6.  
  7. Disconnect the shock absorber from the lower control arm.
  8.  
  9. Separate the stabilizer bar from the control arm.
  10.  
  11. Separate the strut bar from the lower control arm.
  12.  
  13. Disconnect the lower ball joint from the lower control arm.
  14.  
  15. Remove the nut and lower the control arm.
  16.  

To install:
  1. Attach the lower control arm but do not tighten yet.
  2.  
  3. Attach the lower ball joint, strut bar and stabilizer bar to the control arm.
  4.  
  5. Tighten the lower control arm bolt to 152 ft. lbs. (206 Nm).
  6.  
  7. Install the shock to the control arm.
  8.  
  9. Attach the torsion spring bar.
  10.  
  11. Install the engine under cover.
  12.  
  13. Install the wheel, lower the truck and tighten the lug nuts to 76 ft. lbs. (103 Nm).
  14.  
  15. Have the alignment checked at a reputable repair facility.
  16.  

 
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