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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1306 (Engine Controls And Fuel - 6.6L - Introduction (1 Of 2)) >> Repair Instructions >> Fuel Injector Replacement (Right) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Fuel Injector Copper Washers
    GM1335628Courtesy of GENERAL MOTORS CORP.
  1. Install a NEW copper washer to the fuel injector bore.
  2. Install a NEW O-ring onto the fuel injector.
  3. If necessary, install the fuel injector bracket pins.
    4. Fig 2: View Of Right Fuel Injectors W/Brackets
    GM1335625Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel injectors with brackets.
    5. Fig 3: View Of Right Fuel Injector Bracket Bolts
    GM1335619Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  5. Install the fuel injector bracket bolts.

    Tighten:  Tighten the bolts to 30 N.m (22 lb ft).

    6. Fig 4: View Of Indicator Tube Bracket & Bolts
    GM1873088Courtesy of GENERAL MOTORS CORP.
  6. Position the oil level indicator tube bracket (2) to the generator bracket.
  7. Install the oil level indicator tube bracket bolts (1).

    Tighten:  Tighten the bolts to 21 N.m (15 lb ft).

  8. Install the oil level indicator tube bolt (3).

    Tighten:  Tighten the bolt to 21 N.m (15 lb ft).

  9. Install the wiring harness clip to the oil level indicator tube bracket (2).
    10. Fig 5: View Of Engine Wiring Harness Bracket & Bolts
    GM1873089Courtesy of GENERAL MOTORS CORP.
  10. Position the engine wiring harness bracket onto the upper valve rocker arm cover and install the bolts (1).

    Tighten:  Tighten the bolts to 21 N.m (15 lb ft).

  11. Install the engine wiring harness clips to the wiring harness bracket.
    12. Fig 6: View Of Engine Wiring Harness Bracket & Clip
    GM1873087Courtesy of GENERAL MOTORS CORP.
  12. Position the engine wiring harness bracket (2) onto the upper valve rocker arm cover and install the engine wiring harness clip (1) to the wiring harness bracket.
    13. Fig 7: View Of Fuel Injector Electrical Connectors
    GM1335536Courtesy of GENERAL MOTORS CORP.
  13. Connect the engine wiring harness electrical connectors to the fuel injectors.
  14. Install the right fuel injection fuel return pipe. Refer to Fuel Injection Fuel Return Pipe Replacement - Right Side .
  15. Install the right fuel injection fuel feed pipes. Refer to Fuel Injection Fuel Feed Pipe Replacement - Right Side .
  16. If the fuel injectors were replaced, refer to Fuel Injector Flow Rate Programming .
  17. Prime the fuel system. Refer to Fuel System Priming .
  18. Start the engine. If the engine stalls, repeat the above step.
  19. Once the engine starts, inspect for fuel leaks.
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