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 MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 837 (ENGINE CONTROLS AND FUEL - 2.2L (L61) - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSSECONDARY FUEL TANK MODULE REPLACEMENTINSTALLATION PROCEDURE

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Installation Procedure

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Installation Procedure

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Fuel Tank Module

Courtesy of GENERAL MOTORS CORP.

If the fuel level sending unit is being replaced, install the fuel level sending unit into the new fuel pump. Refer to Fuel Level Sensor Replacement - Secondary .

Fig 2: View Of Suction Port

Courtesy of GENERAL MOTORS CORP.

Connect the suction port (1).
Insert the new secondary fuel pump module with the level sender and new fuel pump-to-tank seal. Ensure the orientation tabs are aligned.
Use the SA9156E to install the fuel pump lock ring. See Special Tools .
Connect the EVAP line quick connect.
Install the fuel tank. Refer to Fuel Tank Replacement .

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.