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.

SYS.OK|MANUAL.DB● LIVE

HOMESERVICE MANUALSGMC1999FORWARD CONTROL 5.7 R, AUTOMATICREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 842 (SEATS)REPAIR INSTRUCTIONSSEAT BACK HEATER ELEMENT REPLACEMENT - FRONT (NON-FOLD FLAT)INSTALLATION 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 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Installing Element From Seat Back Pad

Courtesy of GENERAL MOTORS CORP.

Peel off the self-stick tape from the back side of the heater element.
Position the heater element over the seat foam pad. Press firmly to engage the adhesive.
Lower the seat back trim cover, pressing on the hook and loop retainers in order to engage the retainers.

Fig 2: Locating Seat Back Cover Hook Retainers

Courtesy of GENERAL MOTORS CORP.

Connect the lower J-hook retainer to the seat back trim.
Connect the electrical connector to the heater element module.
Install the armrest to the seat. Refer to Armrest Replacement - Front Seat .
Install the outer trim panel to the seat cushion. Refer to Seat Cushion Outer Trim Panel Replacement - Front Seat (4-Way) or Seat Cushion Outer Trim Panel Replacement - Front Seat (2-Way) .
Install the front seat. Refer to Seat Replacement - Front Bucket .

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

Shop Manual-Ready Tools Free Quote Check Quote Shield Pro

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.