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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1560 (Engine Control System & Fuel System - 6.6L (LMM) - Repair Instructions) >> Repair Instructions >> Water in Fuel Indicator Sensor Replacement >> Removal Procedure

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.
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