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 1332 (KEYLESS ENTRY SYSTEM)REPAIR INSTRUCTIONSREMOTE CONTROL DOOR LOCK RECEIVER 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 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect the negative battery cable.
- Remove the right upper quarter panel trim. Refer to Trim Panel Replacement- Rear Quarter Upper in Interior Trim.
- Disconnect the remote control door lock receiver electrical connector (2).
- Remove the bolt (3) from the remote control door lock receiver (1).
- Remove the remote control door lock receiver (1) from the vehicle.
- Using a flat bladed tool, remove the mounting bracket (1) from the receiver (2), if necessary.
CAUTION:
Refer to Battery Disconnect Caution in Cautions and Notices.
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.