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 DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - INTRODUCTION (2 OF 2)REPAIR INSTRUCTIONSFUEL PUMP REPLACEMENT

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Fuel Pump Replacement

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Fuel Pump Replacement

Fig 1: Fuel Pump Replacement

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Preliminary Procedures

Loosen the fuel cap in order to relieve the fuel system pressure.
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
Disconnect the fuel lines. Refer to Metal Collar Quick Connect Fitting Service .

Fuel Pump Bolt

NOTE: Refer to Fastener Notice .

Tighten: 22 N.m (16 lb ft)

Fuel Pump
Procedure:
Disconnect the electrical connector.

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.