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Home >> GMC >> 2004 >> Sierra 2500 HD, 2D Pickup, 6.6 1, 4WD, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.6L (Lb7) (Introduction) >> Repair Instructions >> Water-in-Fuel Sensor Replacement >> Installation Procedure

Installation Procedure

IMPORTANT: The water-in-fuel sensor must ONLY be tightened by hand.
  1. Install the water-in-fuel sensor (3) to the fuel filter (2).
    2. Fig 1: Fuel Filter Adapter, Fuel Filter & Water-In-Fuel Sensor
    GM752028Courtesy of GENERAL MOTORS CORP.
  2. Connect the water-in-fuel sensor electrical connector (1).
    3. Fig 2: Water-In-Fuel Sensor & Fuel Heater
    GM786973Courtesy of GENERAL MOTORS CORP.
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