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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 >> Fuel Injector Replacement (Left Side) >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Fuel Injectors And Brackets
    GM2408279Courtesy of GENERAL MOTORS COMPANY
  1. Install a NEW copper washer to the fuel injector bore.
  2. Install a NEW fuel injector O-ring to the injector.
  3. Install the fuel injectors (1) with brackets (2).
    4. Fig 2: Identifying Fuel Injector Bracket Bolts
    GM2408258Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  4. Install the fuel injector bracket bolts and tighten to 30 (22 lb ft).
    5. Fig 3: Identifying Fuel Return Pipes
    GM2408256Courtesy of GENERAL MOTORS COMPANY
  5. Reposition and connect and the fuel return pipes (1).
    6. Fig 4: Identifying Fuel Injector Electrical Connectors
    GM2408253Courtesy of GENERAL MOTORS COMPANY
  6. Connect the fuel injector electrical connectors (1).
  7. If the fuel injectors were replaced, program the flow rate. Refer to Fuel Injector Flow Rate Programming .
  8. Prime the fuel system. Refer to Fuel System Priming .
  9. Start the engine. If the engine stalls, repeat the above step.
  10. Once the engine starts, inspect for fuel leaks.
  11. If any or all fuel injectors were replaced, perform the fuel injector correction reset. Refer to Fuel Injector Correction Reset .
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