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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1748 (FRAME AND UNDERBODY)REPAIR INSTRUCTIONSFRAME REPLACEMENT (L61)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 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Cooling Module Secured To Upper Body Structure
    GM857193Courtesy of GENERAL MOTORS CORP.
  1. Secure the radiator to the upper radiator support.
  2. Install the engine support fixture. Refer to Engine Support Fixture .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the front wheels. Refer to Tire and Wheel Removal and Installation .
  5. Remove the side splash shield-to-frame fasteners.
  6. Remove the front air dam-to-frame fasteners.
    7. Fig 2: View Of Rear Transaxle Mount-To-Frame Bolts
    GM929708Courtesy of GENERAL MOTORS CORP.
  7. Remove the rear transaxle mount-to-frame bolts.
    8. Fig 3: View Of Front Transaxle Mount Through Bolt
    GM928767Courtesy of GENERAL MOTORS CORP.
  8. Remove the front transaxle mount through bolt.
    9. Fig 4: View Of Steering Gear & Steering Gear-To-Frame Bolts
    GM927957Courtesy of GENERAL MOTORS CORP.
  9. Remove the steering gear-to-frame bolts.
  10. Using mechanics wire, secure the steering gear to the exhaust.
    11. Fig 5: View Of Stabilizer Bar Clamps, Bushings & Bolts
    GM929945Courtesy of GENERAL MOTORS CORP.
  11. Remove the stabilizer shaft clamp-to-frame bolts.
    12. Fig 6: View Of Lower Ball Joint Stud Cotter Pin & Nut
    GM929893Courtesy of GENERAL MOTORS CORP.
  12. Remove the lower ball joint cotter pins. Discard the cotter pins.
    13. Fig 7: View Of Steering Knuckle & Lower Control Arm
    GM932518Courtesy of GENERAL MOTORS CORP.
  13. Loosen the lower ball joint castle nut until the nut is level with the top of the ball stud.
    14. NOTE: Do not free the ball stud by using a pickle fork or a wedge-type tool. Damage to the seal or bushing may result.
  14. Using the J 43828  . See Special Tools .
    15. Fig 8: Removing/Installing Frame To Body Bolts
    GM933087Courtesy of GENERAL MOTORS CORP.
  15. Remove the frame-to-body bolts. Discard the bolts.
  16. Carefully lower the frame from the vehicle.
  17. Remove the lower control arms. Refer to Lower Control Arm Replacement .
RENDER: 1.0x

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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.