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 980 (SEAT SYSTEM)REPAIR INSTRUCTIONSSEAT ADJUSTER REPLACEMENT - FRONT (POWER)INSTALLATION 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 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.

Install the memory module, if equipped. Refer to Memory Seat Control Module Replacement .

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the inboard seat belt buckle and nut (1).
Tighten: Tighten the nut to 53 N.m (39 lb ft).
Connect the electrical connection (2).

Fig 1: View Of Seat Belt Buckle, Nut & Electrical Connection

Courtesy of GENERAL MOTORS CORP.

Install the seat adjuster track cover. Refer to Seat Adjuster Track Cover Replacement - Front .
Install the seat back hinge/recliner mechanism. Refer to Seat Back Hinge/Recliner Mechanism Replace - Front .
Install the seat back frame to the seat adjuster. Refer to Seat Back Frame Replacement - Front .
Install the seat cushion frame to the seat adjuster. Refer to Seat Cushion Frame Replacement - Front .
Install the seat trim panel. Refer to Trim Panel Replacement - Front Seat .
Install the seat in the vehicle. Refer to Seat Replacement - Front Bucket .
If the vehicle is equipped with memory seats, calibrate the seat. Refer to Memory Seat Calibration Procedure .

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.