ISUZU Amigo/Pick-ups/Rodeo/Trooper 1981-1996

Knuckle and Spindle

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REMOVAL & INSTALLATION



Except Hombre
2-WHEEL DRIVE MODELS

See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Steering knuckle and front suspension components-2WD Pick-ups

  1. Raise the vehicle and support safely with jackstands. Remove the front wheel.
  2.  
  3. Place a hydraulic jack under the lower control arm and raise to release the and shock pressure.
  4.  
  5. Remove the upper and lower ball joint cotter pins and loosen the nuts until they are flush with the top of the stud.
  6.  
  7. Using a tie rod end removing tool, disconnect the tie rod end from the knuckle.
  8.  
  9. Remove the brake caliper and hang with a piece of wire. Never let a caliper hang by the flexible hose. Refer to Brakes for further details on caliper removal and installation.
  10.  
  11. Remove the brake rotor and backing plate as outlined in Brakes .
  12.  
  13. Disconnect the upper and lower ball joints. Refer to the procedure in this section.
  14.  
  15. Remove the knuckle/spindle assembly by lifting the steering knuckle from the lower control arm.
  16.  
  17. Clean and inspect the steering knuckle and spindle for signs of wear or damage; if necessary, replace the steering knuckle. If any out-of-roundness is found in the tapered knuckle hole.
  18.  

To install:
  1. Position the steering knuckle onto the lower ball joint stud, then lift the upper control arm to insert the upper ball joint stud into the steering knuckle. Loosely install both ball joint stud nuts to secure the components in position. Be careful not to damage the ball joint boots.
  2.  
  3. Tighten the ball joint nuts to specification and install new cotter pins.
  4.  
  5. Install the brake rotor and backing plate as outlined in Brakes .
  6.  
  7. Install the brake caliper as outlined in Brakes .
  8.  
  9. Install the tie rod end and tighten the nuts to specification. Install a new cotter pin.
  10.  
  11. Install the front wheels and lower the vehicle. Have the front alignment checked by a qualified technician.
  12.  

4-WHEEL DRIVE

See Figure 2



Click image to see an enlarged view

Fig. Fig. 2: Steering knuckle and front suspension components-Rodeo

  1. Raise the vehicle and support safely with jackstands. Remove the front wheel and tire assemblies.
  2.  
  3. Remove the brake caliper, rotor and backing plate as outlined in Brakes .
  4.  
  5. Place a hydraulic jack under the lower control arm and raise to release shock or torsion bar pressure.
  6.  
  7. Remove the upper and lower ball joint cotter pins and loosen the nuts until they are flush with the top of the stud.
  8.  
  9. Using a tie rod end removing tool, disconnect the tie rod end from the knuckle.
  10.  
  11. Disconnect the upper and lower ball joints.
  12.  
  13. Remove the knuckle/spindle assembly. Be careful not to damage the ball joint boots.
  14.  

To install:
  1. Install the knuckle/spindle assembly. Be careful not to damage the ball joint boots.
  2.  
  3. Connect the upper and lower ball joints as outlined in this Section. Tighten the nuts to specification. Install new cotter pins.
  4.  
  5. Install the brake rotor and backing plate as outlined in Brakes .
  6.  
  7. Install the brake caliper as outlined in Brakes .
  8.  
  9. Install the tie rod end and tighten the nuts to specification. Install a new cotter pin.
  10.  
  11. Install the front wheels and lower the vehicle. Have the front alignment checked by a qualified technician.
  12.  

Hombre
  1. Raise and support the front of the vehicle safely on jackstands.
  2.  
  3. Remove the tire and wheel assembly.
  4.  
  5. Place a hydraulic jack under the lower control arm and raise to release the coil spring pressure.
  6.  
  7. Remove the brake caliper and support it aside using wire or a coat hanger. Make sure the brake line is not stretched or damaged.
  8.  
  9. Remove the brake disc from the wheel hub.
  10.  
  11. Remove the bolts retaining the hub/bearing assembly to the knuckle, then carefully pull the assembly from the splined end of the halfshaft. If available, use J-28733-A, or an equivalent spindle remover to prevent damage to the shaft or hub/bearing assembly.
  12.  

When removed, lay the hub and bearing assembly on the hub bolt (outboard) side in order to prevent damage or contamination of the bearing seal.

  1. Remove the splash shield.
  2.  
  3. Remove the cotter pin and castle nut from the tie rod end, then separate the end from the knuckle.
  4.  
  5. Remove the cotter pins from the ball joints, then loosen the stud nuts.
  6.  
  7. Use the ball joint separator tool J-36607 or equivalent to loosen the ball joints in the steering knuckle.
  8.  
  9. Remove the ball joint nuts, then separate the ball joints from the knuckle and remove the knuckle from the vehicle.
  10.  
  11. Remove the spacer and the seal from the steering knuckle.
  12.  
  13. Clean and inspect the parts for nicks, scores and/or damage, then replace them as necessary.
  14.  

To install:
  1. Install a new seal into the steering knuckle, using a knuckle seal installation tool such as J-28574 or equivalent.
  2.  
  3. Install the spacer, then position the knuckle and insert the upper and lower ball joints.
  4.  
  5. Install the upper and lower ball joint stud nuts and tighten to specification, then install new cotter pins.
  6.  
  7. Align the splash shield to the knuckle, then install the hub and bearing assembly, aligning the threaded holes. Install the retaining bolts and tighten to 12 ft. lbs. (16 Nm).
  8.  
  9. Install the tie rod end of the steering knuckle, then secure using the retaining nut and a new cotter pin.
  10.  
  11. Install the brake disc.
  12.  
  13. Reposition and secure the brake caliper.
  14.  
  15. Install the tire and wheel assembly.
  16.  
  17. Remove the jackstands and carefully lower the vehicle.
  18.  
  19. Have the front alignment checked by a qualified technician.
  20.  

 
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