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 1103 (SEAT SYSTEM)REPAIR INSTRUCTIONSSEAT BACK COVER REPLACEMENT - FRONTINSTALLATION 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 Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing Hog Rings

GM627478

Courtesy of GENERAL MOTORS CORP.

Install the front seat back cover with alignment mark to the alignment mark on the pad.
Install the hog rings to the front seat back cover to the pad.
Install the seat back cover over the pad while alining the hook and the loop retainers.
Install the hook and the loop retainers, securing the front seat back cover to the pad.

Fig 2: Separate Seat Back Cover From Side Impact Airbag Front Retainer

GM627464

Courtesy of GENERAL MOTORS CORP.

Install the seat back cover to the front retainer at the side impact airbag.

Fig 3: Identifying Seat Back Cover From Side Impact Airbag Rear Retainer

GM627465

Courtesy of GENERAL MOTORS CORP.

Install the seat back cover to the rear retainer at the side impact airbag.
Install the side air bag to the front right and/or left seat.
- For the right front seat side air bag, refer to Inflatable Restraint Side Impact Module Replacement - RH in Seats.
- For the left front seat side air bag, refer to Inflatable Restraint Side Impact Module Replacement - LH in Seats.

Fig 4: View Of Side Air Bag Retainer

GM627482

Courtesy of GENERAL MOTORS CORP.

Install and adjust the seat back cover to the side air bag retainer, by pressing in and pulling down on the seat back cover.

Fig 5: Aligning Front Seat Back Cover End Flap

GM627455

Courtesy of GENERAL MOTORS CORP.

Reposition the front seat back cover end flap.

Fig 6: Installing J-Hook Retainer

GM627454

Courtesy of GENERAL MOTORS CORP.

Install the J-hook retainer at the bottom of the seat back cover.
Install the front seat back to the front seat. Refer to Seat Back Replacement - Front .
Install the front seat headrest. Refer to Head Restraint Replacement - Front Seat .
Install the front seat armrest. Refer to Armrest Replacement - Front Seat .
Install the front bucket seat. Refer to Seat Replacement - Bucket .

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.