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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1713 (ENGINE CONTROLS AND FUEL - 3.6L (LCS) - INTRODUCTION)REPAIR INSTRUCTIONSFUEL FEED PIPE REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ensure that the fuel feed pipe and fuel pump fittings are clean and dry prior to assembly.
    2. Fig 1: Identifying Fuel Feed Pipe Components
    GM1977758Courtesy of GENERAL MOTORS CORP.
  2. Position the fuel feed pipe (2) to the cylinder head and high pressure fuel pump.
  3. Install the fuel feed pipe fitting to the high pressure fuel pump hand tight.
    4. CAUTION: Refer to Fastener Caution .
  4. Install the fuel feed pipe bolts (4).
    • Tighten the bolts to 50 N.m (37 lb ft).
    • Tighten the fitting to 28 N.m (20 lb ft).
  5. Connect the fuel feed line quick connect fitting to the fuel feed pipe (2). Refer to Fuel Pipe Shield Replacement .
    6. NOTE: If a fuel leak accrues at the high pressure fuel pump, the pump will need to be replaced.
  6. Inspect for leaks using the following procedure:
    1. Turn ON the ignition, with the engine OFF for 2 seconds.
    2. Turn OFF the ignition, for 10 seconds.
    3. Turn ON the ignition, with the engine OFF.
    4. Inspect for fuel leaks.
  7. Install the low side fuel pressure service port cap.
  8. Install the fuel tank cap.
  9. Install the radiator surge tank outlet pipe. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement (LY7) .
  10. Install the high pressure pump shield. Refer to Fuel Pipe Shield Replacement .
  11. Install the drive motor generator power inverter module. Refer to Drive Motor Generator Power Inverter Module Removal and Installation
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.