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 827 (POWER SEAT SYSTEM)REPAIR INSTRUCTIONSSEAT REPLACEMENT - FRONT BUCKETINSTALLATION 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 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Install the front seat in the vehicle.
Engage the front seat hook attachments.
Connect the electrical body harness to the seat.
NOTE: Refer to FASTENER NOTICE .
Install the bolts to the rear of the seat adjuster.
Tighten

Tighten the front seat adjuster bolts to 42 N.m (31 lb ft).
Install the front seat adjuster track covers. Refer to Seat Adjuster Track Cover Replacement - Front .
For the Impala, install the nut to the front seat belt bracket.
Tighten

Tighten the nut to 42 N.m (31 lb ft).
Install the front seat head restraint. Refer to Head Restraint Replacement - Front Seat .
Inspect the front seat for proper operation.

Fig 1: Front Bucket Seats
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.