Lexus Car ES, IS, LS 1998-06

Upper Control Arms

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Bushing Replacement



The control arm bushings are serviced with the control arm as an assembly.

The control arm bushings are serviced with the control arm as an assembly.

Removal & Installation



  1. Raise and support the vehicle.
  2.  
  3. Remove the upper suspension arm nut and bolt at the axle bracket .
  4.  
  5. Remove the nut and bolt at the frame rail and remove the upper suspension arm
  6.  

To install:


NOTE
The weight of the vehicle must be supported by the springs before tightening the control arm fasteners.

  1. Position the upper suspension arm at the axle and frame rail.
  2.  
  3. Install the bolts and finger tighten the nuts.
  4.  
  5. Remove the supports and lower the vehicle.
  6.  
  7. Tighten the nut at the axle and frame brackets to 60 ft. lbs. (81 Nm).
  8.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Remove or disconnect the following:

    Front wheel
     
    Strut and spring assembly
     
    Inner bolts and the control arm
     

  4.  

To install:

  1. Install or connect the following:

    Control arm and tighten the inner bolts to 44 ft. lbs. (59 Nm)
     
    Strut and spring assembly
     
    Front wheel
     

  2.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove or disconnect the following:

    Wheel
     
    Strut or if equipped with air suspension, remove the pneumatic cylinder
     
    Anti-lock Brake System (ABS) speed sensor wire harness from the upper control arm by removing the bolt.
     
    Mounting bolts holding the upper control arm to the vehicle
     
    Upper control arm
     

  6.  

To install:

  1. Install or connect the following:

    Upper control arm and tighten the 2 mounting bolts to (except SC 430) 83 ft. lbs. (113 Nm), or (SC 430) 39 ft. lbs. (53 Nm)
     
    ABS speed sensor wire harness to the upper control arm with the attaching bolt
     
    Strut, or if equipped with air suspension, install the pneumatic cylinder
     
    Wheel
     

  2.  
  3. Lower the vehicle.
  4.  
  5. Check and adjust the wheel alignment as necessary.
  6.  

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2.  
  3. Raise and safely support the vehicle.
  4.  
  5. Remove or disconnect the following:

    Wheel
     
    Strut or if equipped with air suspension, remove the pneumatic cylinder.
     
    Anti-lock Brake System (ABS) speed sensor wire harness from the upper control arm by removing the bolt.
     
    Mounting bolts holding the upper control arm to the vehicle.
     
    Upper control arm
     

  6.  

To install:

  1. Install or connect the following:

    Upper control arm and tighten the 2 mounting bolts to 83 ft. lbs. (113 Nm).
     
    ABS speed sensor wire harness to the upper control arm with the attaching bolt.
     
    Strut, or if equipped with air suspension, install the pneumatic cylinder.
     
    Wheel
     

  2.  
  3. Lower the vehicle.
  4.  
  5. Check and adjust the wheel alignment as necessary.
  6.  

 
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