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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 908 (Engine Controls And Fuel - 6.6L (LMM) - Introduction (2 Of 2)) >> Repair Instructions >> Water in Fuel Indicator Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra, 2007 GMC Cab & Chassis Sierra, 2007 Chevrolet Silverado, and 2007 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Water In Fuel Sensor
    GM1871744Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: The water in fuel sensor must ONLY be tightened by hand.
  1. Install the water in fuel sensor (1) to the fuel filter.
    2. Fig 2: View Of Fuel Sensor Wiring Pigtail & Connector
    GM1871640Courtesy of GENERAL MOTORS CORP.
  2. Connect the water in fuel sensor wiring pigtail (2) to the engine wiring harness electrical connector.
    3. Fig 3: View Of Wheelhouse Liner
    GM1871899Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  3. Position the rear half of the wheelhouse liner (1) and install the rear bolts/retainers as required.

    Tighten:  Tighten the bolts, if required to 2.5 N.m (22 lb in).

  4. Prime the fuel system. Refer to Fuel System Priming .
  5. Start the engine. If the engine stalls, repeat the above step.
  6. Once the engine starts, inspect for fuel leaks.
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