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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 >> Fuel Heater Element Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Upper Intake Manifold Cover
    GM55489Courtesy of GENERAL MOTORS CORP.
  1. Remove the upper intake manifold cover.
    2. Fig 2: Opening Air Bleed Valve On Top Of Fuel Manager/Filter
    GM55498Courtesy of GENERAL MOTORS CORP.
  2. Open the air bleed valve on top of the fuel manager/filter to release any pressure in the fuel supply system.
    3. Fig 3: Fuel Manager/Filter, Intake Manifold & Bolts
    GM55513Courtesy of GENERAL MOTORS CORP.
  3. Remove the mounting bolts that connect the fuel manager/filter to the intake manifold.
    4. Fig 4: Fuel Manager/Filter
    GM55514Courtesy of GENERAL MOTORS CORP.
  4. Remove the wiring harnesses and fuel hoses.
  5. Remove the fuel manager/filter by lifting straight up.
    6. Fig 5: Fuel Heater & Filter Housing
    GM55494Courtesy of GENERAL MOTORS CORP.
  6. Remove the fuel heater threaded cap nut by using hand pressure or a strap wrench.
  7. Remove the fuel heater from the filter housing.
  8. Clean the fuel heater to housing sealing surfaces.
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