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Home >> Chevrolet >> 2011 >> Chevy Express G2500, Van Cargo Extended, 6.6 L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 6.6L (LGH) - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Feed Pipe Replacement - Left Side >> Installation Procedure

Installation Procedure

CAUTION:

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.

    Fig 1: Fuel Injector Pipes
    GM2369757Courtesy of GENERAL MOTORS CORP.
    CAUTION:

    Refer to Fastener Caution .

  1. Install the fuel injector pipes (2). Tighten the fittings to 30 N.m (22 lb ft).
  2. Install the fuel pipe bracket fasteners (1) and tighten to 10 N.m (89 lb in).
  3. 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.
  4. Install the positive PCV oil separator. Refer to Positive Crankcase Ventilation Oil Separator Replacement .
  5. Install the glow plug module bracket. Refer to Glow Plug Control Module Bracket Replacement .
  6. Install the auxiliary generator. Refer to Auxiliary Generator Replacement (KD9) .
  7. Prime the fuel system. Refer to Fuel System Priming .
  8. Start the engine.

    If the engine stalls, repeat the above step.

  9. Inspect the fuel system for fuel leaks.
  10. Install the engine cover. Refer to Engine Cover Replacement .