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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 - Right 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. Install the generator. Refer to Generator Replacement (With LMM) .
  4. Install the upper fan shroud. Refer to Generator Replacement (With LMM) .
  5. Prime the fuel system. Refer to Fuel System Priming .
  6. Start the engine.

    If the engine stalls, repeat the above step.

  7. Inspect the fuel system for fuel leaks.
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