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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 5 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSFUEL RAIL FUEL FEED PIPE REPLACEMENT - RIGHT SIDEREMOVAL PROCEDURE
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Removal Procedure

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Removal Procedure
WARNING: This page is about a different variant/trim than selected.
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the charge air cooler inlet pipe. Refer to Charged Air Cooler Hoses/Pipes Replacement (Inlet) or Charged Air Cooler Hoses/Pipes Replacement (Outlet) .
  3. Remove the exhaust gas recirculation (EGR) valve. Refer to Exhaust Gas Recirculation Valve Replacement .
  4. Remove the EGR bracket at front of engine.
  5. Remove the fuel line/wire harness bracket bolts left front side of engine and position out of way.
  6. Remove the fuel rail bracket bolt under the air cleaner snorkel.
  7. Remove the pipe bracket bolt and bracket at front of the engine.
    8. Fig 1: Identifying LH to RH Fuel Rail Pipe
    GM1731609Courtesy of GENERAL MOTORS CORP.
  8. Remove the 2 fuel pipe bracket bolts.
  9. Disconnect the fuel feed pipe fittings from the left fuel rail.
  10. Disconnect the fuel feed pipe from the right fuel rail.
  11. Remove the right fuel rail fuel feed pipe.
RENDER: 1.0x

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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.