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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Front Suspension System) >> Repair Instructions >> Lower Control Arm Replacement (4WD) >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the lower control arm.
    2. Fig 1: Installing The Lower Control Arm (4WD, 15-Series)
    GM348376Courtesy of GENERAL MOTORS CORP.
  2. Install the lower control arm 15-series bolts.
    3. Fig 2: Installing The Lower Control Arm (4WD, 25/35-Series)
    GM348377Courtesy of GENERAL MOTORS CORP.
  3. Install the lower control arm 25/35-series bolts.
    4. Fig 3: Positioning Lower Control Arm Washer Shoulder (4WD)
    GM392158Courtesy of GENERAL MOTORS CORP.
  4. Install the washers with the shoulder facing the arm.
    5. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the lower control arm retaining nuts.

    Tighten:  Tighten the nuts to 175 N.m (129 lb ft).

  6. Install the wheel drive shaft. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.
    7. Fig 4: Removing/Installing The Lower Ball Joint Retaining Nut
    GM830506Courtesy of GENERAL MOTORS CORP.
  7. Connect lower ball joint stud to the steering knuckle.
  8. Install the retaining nut to the lower ball joint stud.

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

  9. Install the torsion bars. Refer to Torsion Bar Replacement .
  10. Install the shock absorber lower nut and bolt. Refer to Shock Absorber Replacement (4WD) Shock Absorber Replacement (RWD) .
  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 in Tires and Wheels.
  13. Remove the safety stands.
  14. Lower the vehicle.
  15. Align the vehicle. Refer to Measuring Wheel Alignment (w/Rear Wheel Steering) or Measuring Wheel Alignment (w/o Rear Wheel Steering) in Wheel Alignment.
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