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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1894 (REAR SUSPENSION SYSTEM)REPAIR INSTRUCTIONSCOIL SPRING REPLACEMENTREMOVAL 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 2009 Saturn Vue. 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 .
  2. Remove the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Remove the stabilizer shaft link. Refer to Stabilizer Shaft Link Replacement .
  4. Position a jackstand underneath the lower control arm.
  5. Raise the jackstand slightly to compress the coil spring.
    6. Fig 1: Identifying Lower Shock Bolt & Nut
    GM1828810Courtesy of GENERAL MOTORS CORP.
  6. Remove the lower shock bolt and nut.
    7. Fig 2: Locating Lower Control Arm-To-Support Frame Nut & Bolt
    GM1829052Courtesy of GENERAL MOTORS CORP.
  7. Loosen the lower control arm to support frame nut and bolt.
    8. Fig 3: View Of Lower Control Arm-To-Knuckle Nut & Bolt
    GM1829056Courtesy of GENERAL MOTORS CORP.
  8. Remove the lower control arm to knuckle nut and bolt.
  9. Slowly lower the control arm in order to unload the coil spring.
    10. Fig 4: View Of Coil Spring & Insulators
    GM1844035Courtesy of GENERAL MOTORS CORP.
  10. Remove the coil spring and insulators.
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.