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 MANUALSCHEVROLET2010CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 4 (ENGINE CONTROLS AND FUEL - 4.3L - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL TANK FUEL PUMP MODULE REPLACEMENTINSTALLATION PROCEDURE
2010 Chevrolet Chevy Express G3500, Van Passenger Extended
Installation Procedure
2010 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
- Install a NEW fuel tank module O-ring seal (3) onto the fuel tank.
- Tilt the module toward the left side of the fuel tank to allow the fuel level sensor float arm to clear the tank opening. Install the module into the fuel tank.
- Lower the module assembly (2) into the tank.
- Position and install the fuel tank module lock ring (1).
- Install the J 45722 (1) to the fuel tank module lock ring. See Special Tools .
NOTE:
The bucket must be tipped slightly during installation to avoid bending the fuel level sensor float arm.
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.