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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Controls - 6.6L - Introduction (2 Of 2)) >> Repair Instructions >> Fuel Injector Feed Pipes Replacement - Right >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
NOTE: Ensure proper torquing of the fuel injector line. An under-torqued fuel injector line will not seal properly and an over-torqued fuel injector line may damage the fuel injector fitting. An improperly sealed or damaged fuel injector line or fuel injector fitting will cause a fuel leak.
    NOTE: Refer to Fastener Notice .
    Fig 1: View Of Fuel Injector Pipes
    GM1335614Courtesy of GENERAL MOTORS CORP.
  1. Install the fuel injector pipes.

    Tighten:  Tighten the fittings to 41 N.m (30 lb ft).

  2. After installing the fuel injector pipes, clean the injector pipes and apply sealant GM P/N 97720043, at the fittings to prevent moisture and debris from collecting between the line and fitting.
  3. Install the fuel rail pressure sensor. Refer to Fuel Rail Pressure (FRP) Sensor Replacement .
  4. Install the fuel filter. Refer to Fuel Filter Replacement .
  5. Install a NEW quick connect fitting clip to the charged air cooler duct.
  6. Install the charged air cooler outlet duct to the intake.
    Fig 2: Installing Charged Air Cooler Outlet Duct
    GM1653035Courtesy of GENERAL MOTORS CORP.
  7. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  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.
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