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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1792 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSWATER IN FUEL INDICATOR SENSOR REPLACEMENTREMOVAL PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Removal Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Removal Procedure
WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Wheelhouse Liner
    GM1871899Courtesy of GENERAL MOTORS CORP.
  1. Drain the fuel from the fuel filter. Refer to Water-in-Fuel Draining .
  2. Remove the right front wheelhouse liner rear bolts/retainers as required to reposition the rear half of the wheelhouse liner (1) in order to access the water in fuel sensor.
    3. Fig 2: View Of Fuel Sensor Wiring Pigtail & Connector
    GM1871640Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the water in fuel sensor wiring pigtail (2) from the engine wiring harness electrical connector.
    4. Fig 3: View Of Water In Fuel Sensor
    GM1871744Courtesy of GENERAL MOTORS CORP.
  4. Remove the water in fuel sensor (1) from the fuel filter.
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.