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 MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 466 (SEAT SYSTEM)REPAIR INSTRUCTIONSSEAT CUSHION INNER TRIM PANEL REPLACEMENT - FRONTINSTALLATION PROCEDURE

1999 GMC Forward Control 5.7 R, Automatic

Installation Procedure

1999 GMC Forward Control 5.7 R, AutomaticSECTION Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Install the front seat cushion trim panel from the front bucket seat.

Fig 1: Installing Front Seat Cushion Trim Panel From Front Bucket Seat
Courtesy of GENERAL MOTORS CORP.
Install the screw to the center of the front seat cushion trim panel.
Tighten

Tighten the front seat cushion trim panel center screw to 43 N.m (32 lb ft).

Fig 2: Installing Screw To Center Of Front Seat Cushion Trim Panel
Courtesy of GENERAL MOTORS CORP.
Install the screw to the front of the front seat cushion trim panel.
Tighten

Tighten the front seat cushion trim panel front screw to 43 N.m (32 lb ft).

Fig 3: Installing Screw To Front Of Front Seat Cushion Trim Panel
Courtesy of GENERAL MOTORS CORP.
Install the screw to the rear of the front seat cushion trim panel.
Tighten

Tighten the front seat cushion trim panel rear screw to 43 N.m (32 lb ft).
Install the front bucket seat. Refer to SEAT REPLACEMENT - BUCKET .

Fig 4: Installing Screw To Rear Of Front Seat Cushion Trim Panel
Courtesy of GENERAL MOTORS CORP.

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.