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Home >> GMC >> 2001 >> C3500 HD 6.5 F, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 6.5L (L65) (Introduction) >> Repair Instructions >> Water-in-Fuel Sensor Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Upper Intake Manifold Cover
    GM55489Courtesy of GENERAL MOTORS CORP.
  1. Loosen the upper intake manifold cover bolts.
  2. Remove the upper intake manifold cover.
    3. Fig 2: Turning Element Nut In Counterclockwise Direction
    GM55503Courtesy of GENERAL MOTORS CORP.
  3. Open the air bleed valve on top of the fuel manager/filter to release any pressure in the fuel supply system.
    4. Fig 3: Fuel Manager/Filter, Intake Manifold & Bolts
    GM55513Courtesy of GENERAL MOTORS CORP.
  4. Remove the mounting bolts that connect the fuel manager/filter to the intake manifold.
    5. Fig 4: Fuel Manager/Filter
    GM55514Courtesy of GENERAL MOTORS CORP.
  5. Remove the wiring harnesses and the fuel hoses.
  6. Remove the fuel manager/filter by lifting straight up.
    7. Fig 5: Water-In-Fuel Sensor Mounting Screws
    GM55496Courtesy of GENERAL MOTORS CORP.
  7. Remove the sensor mounting screws.
    8. Fig 6: Water-In-Fuel Sensor
    GM55517Courtesy of GENERAL MOTORS CORP.
  8. Remove the sensor.
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