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Home >> Chevrolet >> 2009 >> Chevy Express G2500, Van Cargo Extended, 6.6 6 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 6.6L LMM - Introduction >> 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: View Of Fuel Injector Pipes
    GM1335614Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  1. Install the fuel injector pipes. 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. Position back engine harness and install bolts to bracket at left front of engine and tighten to 21 N.m (15 lb ft).
  4. Install the positive PCV hose/pipe. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  5. Install the glow plug module and bracket. Refer to Glow Plug Control Module Replacement .
  6. Install the auxiliary generator. Refer to Auxiliary Generator Replacement .
  7. Install the upper fan shroud. Refer to Engine Coolant Fan Upper Shroud Replacement (6.6L) .
  8. Prime the fuel system. Refer to Fuel System Priming .
  9. Start the engine.

    If the engine stalls, repeat the above step.

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