LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1008 (Front Suspension System) >> Repair Instructions >> Upper Control Arm Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal 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. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Fig 1: View Of Retaining Bolts For Brake Hose And Wheel Speed Sensor Brackets
    GM367084Courtesy of GENERAL MOTORS CORP.
  4. Remove the retaining bolt for the brake hose and the wheel speed sensor brackets.
  5. Remove the wheel drive shaft. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.
  6. Remove the nut at the upper ball joint. Discard the nut.
  7. Fig 2: Disconnecting Upper Control Arm From The Steering Knuckle
    GM853946Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the upper control arm from the steering knuckle using the J 43631  and J 45851  .
  9. For 15-Series 2WD/4WD and 25/35 Series 2WD, remove the control arm using the following procedure:
    1. Remove the upper control arm nuts and the adjustment cams (2).
    2. Remove the upper control arm bolts (4).
    3. Remove the upper control arm.
    Fig 3: Removing The Upper Control Arm (15-Series 2WD/4WD and 25/35 Series 2WD)
    GM376754Courtesy of GENERAL MOTORS CORP.
  10. For the 25/35-Series 4WD, remove the control arm using the following procedure:
    1. Remove the upper control arm nuts and adjuster cams (2)
    2. Remove the upper control arm bolts (4).
    3. Remove the upper control arm.
    Fig 4: Removing The Upper Control Arm (25/35-Series 4WD)
    GM376756Courtesy of GENERAL MOTORS CORP.