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Home >> GMC >> 2002 >> Yukon Base, 5.3 Z, 4WD >> Repair and Diagnosis >> Suspension >> Front Suspension System >> Repair Instructions >> Lower Control Arm Replacement (4WD) >> Installation Procedure

Installation Procedure

  1. Install the lower control arm.
  2. Install the lower control arm 15-series bolts.
    Fig 1: Installing Lower Control Arm (15 Series)
    G01662703Courtesy of GENERAL MOTORS CORP.
  3. Install the lower control arm 25/35-series bolts.
    Fig 2: Installing Lower Control Arm (25/35 Series)
    G01662704Courtesy of GENERAL MOTORS CORP.
  4. Install the washers with the shoulder facing the arm.
    CAUTION: Refer to FASTENER NOTICE .
  5. Install the lower control arm retaining nuts.

    Tighten 

    Tighten the nuts to 150 N.m (110 lb ft).

  6. Install the wheel drive shaft. Refer to AXLE SHAFT , AXLE SHAFT or AXLE SHAFT .
  7. Connect lower ball joint stud to the steering knuckle.
  8. Install the nut to the lower ball joint stud.

    Tighten 

    Tighten the nut to 100 N.m (74 lb ft).

    Fig 3: Installing Lower Ball Joint Stud Nut
    G01662705Courtesy of GENERAL MOTORS CORP.
  9. Install the torsion bars. Refer to Torsion Bar Replacement .
  10. Install the shock absorber lower nut and bolt. Refer to Shock Absorber Replacement (2WD)  or Shock Absorber Replacement (4WD)  .
  11. Install the stabilizer shaft links to the lower control arm. Refer to Stabilizer Shaft Replacement .
  12. Install the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION .
  13. Remove the safety stands.
  14. Lower the vehicle.
  15. Align the vehicle. Refer to SPECIFICATIONS .
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