Escalade, Suburban, Tahoe, Yukon, Denali, DenaliXL, YukonXL 1999-2005

Upper Control Arms

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Bushing Replacement



The control arm bushings are removed and installed using a press.

Removal & Installation



  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Support the lower control arm with a floor jack.
  4.  
  5. Remove or disconnect the following:

    Wheel
     
    Brake hose bracket from the control arm
     
    Air cleaner extension (if necessary)
     
    Brake hose bracket retainer and wire the hose aside
     
    Cotter pin from the upper control arm ball stud and loosen the stud nut until the bottom surface of the nut is slightly below the end of the stud
     
    Ball joint from the knuckle
     
    Control arm to the frame brackets
     
    Shims and spacers
     

  6.  

To install:

  1. Install or connect the following:
    NOTE
    Do not tighten the bolts yet. The bolts must be torqued with the truck at its proper ride height.



    Control arm in position
     
    Shims and spacers, bolts and new nuts. Both bolt heads must be inboard of the control arm brackets. Tighten the nuts finger tight for now.
     



    Ball joint to the knuckle. Torque the nut to 84 ft. lbs. (115 Nm).
     
    Cotter pin. Never back off the nut to install the cotter pin. Always advance it. Never advance it more than 1 / 6 turn.
     

  2.  
  3. Lower the truck. Once the weight of the truck is on the wheels. Torque the control arm pivot nuts to 140 ft. lbs. (190 Nm)
  4.  

  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Support the lower control arm with a floor jack.
  4.  
  5. Remove or disconnect the following:

    Wheel
     
    Brake hose bracket from the control arm
     
    Air cleaner extension (if necessary)
     
    Brake hose bracket retainer and wire the hose aside
     
    Cotter pin from the upper control arm ball stud and loosen the stud nut until the bottom surface of the nut is slightly below the end of the stud
     
    Ball joint from the knuckle
     
    Control arm to the frame brackets
     
    Shims and spacers
     

  6.  

To install:

  1. Install or connect the following:
    NOTE
    Do not tighten the bolts yet. The bolts must be torqued with the truck at its proper ride height.



    Control arm in position
     
    Shims and spacers, bolts and new nuts. Both bolt heads must be inboard of the control arm brackets. Tighten the nuts finger-tight for now.
     



    Ball joint to the knuckle. Torque the nut to 84 ft. lbs. (115 Nm).
     
    Cotter pin. Never back off the nut to install the cotter pin. Always advance it. Never advance it more than 1 / 6 turn.
     

  2.  
  3. Lower the truck. Once the weight of the truck is on the wheels. Torque the control arm pivot nuts to 140 ft. lbs. (190 Nm)
  4.  

  1. Raise and support the vehicle.
  2.  
  3. Remove or disconnect the following:

    Tire and wheel assembly
     
    Real Time Damping (RTD) link rod from the sensor, if equipped
     
    Retaining bolt for the brake hose and the wheel speed sensor brackets
     
    Halfshaft

    Click image to see an enlarged view

    Fig. Upper control arm-2000-06 models

     
    Nut at the upper ball joint. Discard the nut.
     
    Upper control arm from the steering knuckle
     
    Upper control arm nuts and the adjustment cams (15 Series RWD, 4WD, and 25 Series RWD)
     
    Upper control arm bolts (15 Series RWD, 4WD, and 25 Series RWD)
     
    Upper control arm nuts and the adjustment cams (25 Series 4WD)
     
    Upper control arm bolts (25 Series 4WD)
     
    Upper control arm
     

  4.  

To install:

  1. Install or connect the following:

    Upper control arm
     
    Upper control arm bolts (25 Series 4WD)
     
    Upper control arm nuts and the adjustment cams (25 Series 4WD). Tighten the nuts to 140 ft. lbs. (190 Nm).
     
    Upper control arm bolts (15 Series RWD, 4WD, and 25 Series RWD)
     
    Upper control arm nuts and the adjustment cams (2) (15 Series RWD, 4WD, and 25 Series RWD). Tighten the nuts to 140 ft. lbs. (190 Nm).
     
    Upper control arm to the steering knuckle
     
    Halfshaft
     
    New nut to the upper ball joint stud. Tighten the nut to 37 ft. lbs. (50 Nm).
     
    Retaining bolts for the brake hose and wheel speed sensor brackets. Tighten the bolts to 80 inch lbs. (9 Nm).
     
    RTD link rod to the sensor, if equipped
     
    Tire and wheel assembly
     

  2.  
  3. Remove the safety stands.
  4.  
  5. Lower the vehicle. Verify the wheel alignment.
  6.  

  1. Raise and support the vehicle.
  2.  
  3. Remove or disconnect the following:

    Tire and wheel assembly
     
    Real Time Damping (RTD) link rod from the sensor, if equipped
     
    Retaining bolt for the brake hose and the wheel speed sensor brackets
     
    Halfshaft
     
    Nut at the upper ball joint. Discard the nut
     
    Upper control arm from the steering knuckle
     
    Upper control arm nuts and the adjustment cams
     
    Upper control arm bolts
     
    Upper control arm

    Click image to see an enlarged view

    Fig. Upper control arm on 2005-06 models

     

  4.  

To install:

  1. Install or connect the following:

    Upper control arm
     
    Upper control arm bolts
     
    Upper control arm nuts and the adjustment cams. Tighten the nuts to 140 ft. lbs. (190 Nm)
     
    Upper control arm to the steering knuckle
     
    Halfshaft
     
    New nut to the upper ball joint stud. Tighten the nut to 37 ft. lbs. (50 Nm).
     
    Retaining bolts for the brake hose and wheel speed sensor brackets. Tighten the bolts to 80 inch lbs. (9 Nm).
     
    RTD link rod to the sensor, if equipped
     
    Tire and wheel assembly
     

  2.  
  3. Remove the safety stands.
  4.  
  5. Lower the vehicle. Verify the wheel alignment.
  6.  

 
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