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 REPLACEMENTINSTALLATION PROCEDURE

2003 Chevrolet TrailBlazer 4.2 S, 4WD

Installation Procedure

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Installation 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.

Fig 1: Remote Control Door Lock Receiver & Mounting Bracket

Courtesy of GENERAL MOTORS CORP.

Instal the remote control door lock receiver (2) to the mounting bracket (1), if removed.

Fig 2: Remote Control Door Lock Receiver, Electrical Connector And Bolt

Courtesy of GENERAL MOTORS CORP.

Install the remote control door lock receiver (1) to the vehicle.

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the bolt (3) to the door lock receiver (1).
Tighten: Tighten the remote control door lock receiver bolt to 10 N.m (89 lb in).
Connect the remote control door lock receiver electrical connector (2).
Install the right upper quarter panel trim. Refer to Trim Panel Replacement- Rear Quarter Upper in Interior Trim.
Connect the negative battery cable.
Reprogram the remote control door lock receiver, if necessary. Refer to Transmitter Programming in Keyless Entry.

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.