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 1330 (SEAT SYSTEM)REPAIR INSTRUCTIONSSEAT BACK REPLACEMENT - FRONT (PASSENGER SIDE)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 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Passenger Side Seat Back Components

Courtesy of GENERAL MOTORS CORP.

Install the passenger seat inflatable restraint, if removed. Refer to Inflatable Restraint Side Impact Module Replacement - RH in SIR.
Install the seat back trim panel (2), if removed. Refer to Seat Back Trim Replacement - Front .
Install the seat back recliners (5) to the seat back assembly (1). Refer to Seat Back Recliner Replacement - Front .
Install the seat back assembly (1) to the seat adjuster (16).

NOTE: Refer to Fastener Notice in Cautions and Notices.

Install the bolts (15) to the seat back assembly (1).
Tighten: Tighten the bolts (15) to 43 N.m (32 lb ft).
Install the seat adjuster track covers (14). Refer to Seat Adjuster Track Cover Replacement - Front (Outboard) or Seat Adjuster Track Cover Replacement - Front (Inboard) .
Install the front seat head restraint. Refer to Head Restraint Replacement - Front Seat .
Install the front seat assembly. Refer to Seat Replacement - Front Bucket .

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.