Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION 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. Remove the stabilizer shaft links from the lower control arm. Refer toStabilizer Shaft ReplacementΒ .
  4. Remove the shock absorber lower nut and the bolt. Refer toShock Absorber Replacement (4WD)Β Shock Absorber Replacement (RWD)Β .
  5. Remove the torsion bars. Refer toTorsion Bar ReplacementΒ .
  6. Remove the wheel drive shaft. Refer to Wheel Drive Shaft Replacement in Wheel Drive Shafts.
  7. Fig 1: Removing/Installing The Lower Ball Joint Retaining Nut
    GM830506Courtesy of GENERAL MOTORS CORP.
  8. Remove the lower ball joint retaining nut.
  9. Fig 2: Disconnecting Ball Joint Stud From The Steering Knuckle (4WD)
    GM853946Courtesy of GENERAL MOTORS CORP.
  10. Disconnect the lower ball joint stud from the steering knuckle using J 43631Β  and J 45851Β  .
  11. Fig 3: Removing The Lower Control Arm (4WD, 15-Series)
    GM348376Courtesy of GENERAL MOTORS CORP.
  12. Remove the lower control arm nuts and the 15-series washers.
  13. Remove the lower control arm bolts.
  14. Fig 4: Removing The Lower Control Arm (4WD, 25/35-Series)
    GM348377Courtesy of GENERAL MOTORS CORP.
  15. Remove the lower control arm nuts and the 25/35-series washers.
  16. Remove the lower control arm bolts.
  17. Remove the lower control arm.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.