LS400 1990-1997

Upper Control Arms

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Removal & Installation



Specific to:

Lexus LS400 1993-1994

  1. Raise and safely support the vehicle.
  2.  
  3. Remove the wheel.
  4.  
  5. Remove the strut or pneumatic cylinder, if equipped.
  6.  
  7. Remove the mounting bolts and the upper suspension arm.
  8.  

To install:

  1. Install the upper suspension arm and tighten the mounting bolts to 83 ft. lbs. (113 Nm).

    Click image to see an enlarged view

    Fig. Upper control arm and related components - 1993-94 LS400

  2.  
  3. Install the strut or pneumatic cylinder, if equipped.
  4.  
  5. Install the wheel.
  6.  
  7. Lower the vehicle.
  8.  

Specific to:

Lexus LS400 1990-1992, 1995-1997

  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

    Click image to see an enlarged view

    Fig. Front upper control arm components

     

  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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