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 INSTRUCTIONSLUMBAR REPLACEMENT - FRONT SEAT (POWER LUMBAR/BOLSTER)REMOVAL PROCEDURE
2002 Chevrolet Avalanche 2500, RWD
Removal Procedure
2002 Chevrolet Avalanche 2500, RWDSECTION Removal Procedure
- Remove the front seat from the vehicle. Refer to Seat Replacement - Front Bucket .
- Remove the head restraint and guides. Refer to Head Restraint Replacement (Non-Cadillac) or Head Restraint Replacement (Cadillac) or Head Restraint Replacement (Folding) .
- Remove the seat back cover and pad. Refer to Seat Back Cover and Pad Replacement - Front .
- Drill out the rivet holes on the bolster paddles (1).
- Detach the lumbar clip from the top of the seat frame.
- Remove the lumbar wire from the bottom of the seat frame.
- Disconnect the electrical connectors to the motors.
- Remove the power lumbar/bolster assembly from the seat.
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.