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 953 (ENTERTAINMENT SYSTEM)REPAIR INSTRUCTIONSFIXED ANTENNA 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 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.
- Remove the I/P trim panel. Refer to Trim Panel Replacement - Instrument Panel (I/P) Upper in Instrument Panel, Gages and Console.
- Remove the antenna mast.
- Remove the outboard section of the cowl vent grille panel.
- Remove the auxiliary battery, if equipped. Refer to Battery Replacement - Auxiliary in Engine Electrical.
- Remove the 3 bolts.
- Remove the cable grommet from the body.
- Disconnect the antenna cable from the extension cable.
- Tie a long wire to the antenna cable.
- From outside of the vehicle, pull the antenna base and cable assembly until the wire can be easily accessible.
Ensure part of the wire is still in the vehicle
- Remove the wire from the antenna cable.
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.