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 MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 716 (SEAT SYSTEM)DESCRIPTION AND OPERATIONLUMBAR SUPPORT DESCRIPTION AND OPERATIONLUMBAR SUPPORT SYSTEM COMPONENTS
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Lumbar Support System Components
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Lumbar Support System Components
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
The lumbar support system consists of the following components:
- The driver seat adjuster switch
- The passenger seat adjuster switch
- The driver seat lumbar pump and module
- The passenger seat pump and module
- The driver seat lumbar and side bladders
- The passenger seat lumbar and side bladders
- The SCM-L 10A fuse
- The LUMBAR 15A fuse
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.