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 MANUALSCHEVROLET2002AVALANCHE 2500, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMESEATSPOWER SEAT SYSTEMREPAIR INSTRUCTIONSSEAT CUSHION TRIM COVER AND PAD REPLACEMENTINSTALLATION PROCEDURE

2002 Chevrolet Avalanche 2500, RWD

Installation Procedure

2002 Chevrolet Avalanche 2500, RWDSECTION Installation Procedure

Install the seat cushion heater element, if equipped. Refer to Seat Cushion Heater Element Replacement - Front .
Install the seat cushion pad to the seat cushion frame.

Fig 1: Installing Seat Cushion Trim Cover To Pad

GM386196

Courtesy of GENERAL MOTORS CORP.

Using a side motion, carefully pull the seat cushion cover onto the frame pad.

Fig 2: Attaching Seat Trim Cover To Seat Cushion Frame

GM386197

Courtesy of GENERAL MOTORS CORP.

Attach the seat trim cover to the seat cushion frame.

Fig 3: View Of Lumbar Cable And Front Seat Cushion Frame Components

GM407184

Courtesy of GENERAL MOTORS CORP.

Install the lumbar actuator (5).
Install the seat switch bezel. Refer to Seat Switch Bezel Replacement .

Fig 4: View Of Seat Cushion Front Nuts & Rear Plastic Holders

GM378531

Courtesy of GENERAL MOTORS CORP.

Place the cushion on the rear plastic holders (1) on the underside of the seat cushion, and push rearward.

Fig 5: View Of Lumbar Cable And Front Seat Cushion Frame Components

GM407184

Courtesy of GENERAL MOTORS CORP.

Connect the lumbar cable to the underside of the seat cushion (6). Connect the lumbar wire harness (if equipped with power lumbar).
Connect the electrical connectors.

Fig 6: View Of Seat Cushion Front Nuts & Rear Plastic Holders

GM378531

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.