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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1557 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSLOWER CONTROL ARM REPLACEMENT (RWD)REMOVAL PROCEDURE
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Removal Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Removal Procedure
WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 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 JACKING AND LIFTING .
  2. Remove the tire and wheel. Refer to TIRE AND WHEEL REMOVAL AND INSTALLATION  .
  3. For vehicles with rack and pinion steering, remove the front coil spring. Refer to Front Coil Springs Replacement .
    Fig 1: Remove Lower Control Arm 15-Series Bolts & Washers
    G01480079Courtesy of GENERAL MOTORS CORP.
  4. For vehicles with recirculating ball steering, remove the torsion bar. Refer to Torsion Bar Replacement .
  5. Remove the front stabilizer shaft link. Refer to Stabilizer Shaft Replacement .
  6. Remove the shock absorber. Refer to Shock Absorber Replacement (4WD)  or Shock Absorber Replacement (RWD) .
  7. Remove the lower control arm nuts and the 15-series washers.
  8. Remove the lower control arm 15-series bolts.
  9. Remove the lower control arm nuts and the 25/35-series washers.
  10. Remove the lower control arm 25/35-series bolts.
    Fig 2: Remove Lower Control Arm 25/35-Series Bolts & Washers
    G01480080Courtesy of GENERAL MOTORS CORP.
  11. Remove the lower ball joint retaining nut.
    Fig 3: Remove Lower Ball Joint Retaining Nut
    G01480081Courtesy of GENERAL MOTORS CORP.
  12. Disconnect the lower ball joint stud from the steering knuckle using J 43631  and J 45851. 
  13. Remove the lower control arm.
    Fig 4: Remove Lower Control Arm
    G01480082Courtesy of GENERAL MOTORS CORP.
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:

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