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 DIAGNOSISENGINE PERFORMANCEREMOVE, OVERHAUL & INSTALLENGINE CONTROLS - REMOVAL, OVERHAUL & INSTALLATIONFUEL SYSTEMS (DIESEL)FUEL PUMPREMOVAL & INSTALLATION
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8
Removal & Installation
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Removal & Installation
- Fuel pump is located in fuel tank and is integral with fuel sending unit assembly. Fuel pump must be replaced with fuel sending unit as an assembly. Remove fuel filler cap. Disconnect negative battery cable. Drain fuel tank.
- Raise and support vehicle. Disconnect fuel lines and electrical connections at fuel tank. Remove fuel tank. Using Cam Lock Remover (J-36608), turn cam lock counterclockwise. Lift fuel sending unit assembly from fuel tank. To install, reverse removal procedure using NEW "O" ring and gasket.
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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.