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 1262 (SEAT SYSTEM)REPAIR INSTRUCTIONSINERTIA LATCH 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 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Install the inertia seat back lock assembly (1) to the seat back.
NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
Install the 4 seat back lock bolts.
Tighten

Tighten the inertia seat back lock bolts to 24 N.m (18 lb ft).
Install the seat back cover. Refer to SEAT BACK COVER REPLACEMENT - FRONT .
Install the new emergency release knob.
For the passenger side only, route the E/Z entry cable. Ensure that the routing of the cable is the same as before removal.
For the passenger side only, connect the cable to the seat adjuster.
For the passenger side only, attach the cable seat bottom with the tie strap.
Install the 2 pivot bolts.
Tighten

Tighten the pivot bolts to 24 N.m (18 lb ft).
Install the 2 new rear roll pins (2).
Install the front seat. Refer to SEAT REPLACEMENT - FRONT BUCKET .

Fig 1: Installing Inertia Seat Back Lock Assembly To Seat Back
Courtesy of GENERAL MOTORS CORP.

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.