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 MANUALSCHEVROLET2014EXPRESS 2500 BASE, VAN CARGO, 6.6L ENG VIN LREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 9 (ENGINE CONTROLS & FUEL - 4.3 (LU3) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL TANK FUEL PUMP MODULE REPLACEMENTINSTALLATION PROCEDURE

2014 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN L

Installation Procedure

2014 Chevrolet Express 2500 Base, Van Cargo, 6.6L Eng VIN LSECTION Installation Procedure

WARNING: This page is about a different car, the 2014 GMC Savana 1500 and 2014 Chevrolet Express 1500. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Fuel Tank Module

Courtesy of GENERAL MOTORS COMPANY

Install a NEW fuel tank module O-ring seal (3) onto the fuel tank.

NOTE:

The bucket must be tipped slightly during installation to avoid bending the fuel level sensor float arm.

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).

Fig 2: View Of Fuel Tank Module Lock Ring

Courtesy of GENERAL MOTORS COMPANY

Install the J 45722 fuel sender lock nut wrench (1) to the fuel tank module lock ring.

Fig 3: Identifying Lock Ring

Courtesy of GENERAL MOTORS COMPANY

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.