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 G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 538 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L LMM - INTRODUCTION)REPAIR INSTRUCTIONSFUEL INJECTOR REPLACEMENT (LEFT)REMOVAL PROCEDURE

2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2009 GMC Savana Special, 2009 GMC Savana Camper Special, 2009 GMC Savana, 2009 Chevrolet RV Cutaway, and 2009 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.

Remove the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (6.6L) .
If equipped, remove the auxiliary generator. Refer to Auxiliary Generator Replacement .
Remove the glow plug module and bracket. Refer to Glow Plug Control Module Replacement .
Remove the injector/glow plug wire harness retaining bolt at lower upper valve cover.
Disconnect the left engine wiring harness connector.

Fig 1: Identifying Engine Wiring Harness Bracket Bolts

Courtesy of GENERAL MOTORS CORP.

Remove the engine wiring harness to bracket bolt, the 2 engine wiring harness bracket to upper valve cover bolts and remove the bracket (1).

Fig 2: View Of Left Fuel Injector Pipes

Courtesy of GENERAL MOTORS CORP.

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.