Isuzu I-280, I-350 2005-06

Upper Control Arms

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Removal & Installation



2-Wheel Drive
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Raise and support the vehicle.
  6.  
  7. Place a jack stand under the lower control arm to support it at ride height.
  8.  
  9. Remove or disconnect the following:

    Wheel
     
    Wheel speed sensor harness bracket retaining bolt and nut, if equipped
     
    Brake hose from upper arm
     
    Upper ball joint nut
     
    Upper arm from steering knuckle
     
    Mounting bolts
     
    Upper control arm

    Click image to see an enlarged view

    Fig. Upper control arm mounting-2WD

     

  10.  

To install:

  1. Install or connect the following:

    Upper control arm and tighten the bolts to 118 ft. lbs. (160 Nm).
     
    Steering knuckle to upper control arm ball joint
     
    New ball joint stud nut and tighten to 55 ft. lbs. (75 Nm)
     
    Brake hose to upper arm
     
    Wheel speed sensor harness bracket retaining bolt and nut, if equipped
     
    Wheel
     

  2.  
  3. Check the front wheel alignment.
  4.  

4-Wheel Drive
  1. Before servicing the vehicle, refer to the Precautions Section.
  2.  
  3. Disconnect the negative battery cable.
  4.  
  5. Raise and support the vehicle.
  6.  
  7. Place a jack stand under the lower control arm to support it at ride height.
  8.  
  9. Remove or disconnect the following:
    NOTE
    The 4WD vehicle upper control arm bolts are equipped with cams, which are rotated to achieve caster and camber adjustments. In order to preserve adjustment and ease installation, matchmark the cams to the control arm before removal. If the control arm is being replaced, transfer the alignment marks to the new component before installation.



    Wheel