Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1872 (FRONT SUSPENSION SYSTEM)REPAIR INSTRUCTIONSLOWER CONTROL ARM BALL JOINT 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.
- Remove the lower control arm. Refer to Lower Control Arm Replacement .
- Place the control arm in a vise or suitable holding device.
- Remove the ball joint rivets using the following procedure.
- Drill through the rivets using a 8 mm (5/16 in) drill bit.
- Enlarge the hole using a 12 mm (31/64 in) drill bit.
- Remove any remaining burs from the control arm.
- Remove the ball joint from the control arm. Note the position of the ball joint for reassembly.
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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.