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Home >> GMC >> 2014 >> Sierra 2500 HD SLT, 6.6L Eng VIN 8, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 6.6L (LML) - Repair Instructions >> Repair Instructions >> Indirect Fuel Injector Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Indirect Fuel Injector Retainer And Indirect Fuel Injector
    GM2394333Courtesy of GENERAL MOTORS COMPANY
  1. Install the indirect fuel injector retainer (1) to the fitting.
    2. CAUTION:

    Refer to Fastener Caution .

    NOTE:

    If reinstalling the old indirect fuel injector, coat the threads with anti-sieze compound. Refer to Adhesives, Fluids, Lubricants, and Sealers .

  2. Install the indirect fuel injector (2) and tighten the fitting to 45 (33 lb ft).
    3. Fig 2: View Of Fuel Injector Fasteners
    GM2394330Courtesy of GENERAL MOTORS COMPANY
  3. Install the indirect fuel injector fasteners (1, 2) to 25 (18 lb ft).
  4. Install the right side wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Right Side (GMC) , Front Wheelhouse Liner Replacement - Right Side (Chevrolet) .
  5. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
    6. NOTE:

    The indirect fuel injector and its fuel lines must be purged of air any time it is removed or replaced. Failure to do so may damage the injector. Perform the Diesel Particulate Filter (DPF) Regeneration Enable any time the indirect injector or its fuel lines are removed or replaced. This will force a regeneration as soon as conditions allow and will purge any air from the system.

  6. Perform the Diesel Particulate Filter Regeneration. Refer to Diesel Particulate Filter (DPF) Regeneration Enable .
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