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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN PASSENGER EXTENDED, 5.0 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 131 (ENGINE CONTROL SYSTEM - REMOVAL & INSTALLATION)FUEL SYSTEMSFUEL RAILS & FUEL INJECTORSREMOVAL
2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 M

Fuel Rails & Fuel Injectors: Removal

2001 Chevrolet Chevy Express G2500, Van Passenger Extended, 5.0 MSECTION Removal
WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove engine cover (1) bolts. See Figure .
  2. Remove engine cover (1).
  3. Release fuel pressure. See FUEL SYSTEM PRESSURE RELEASE  .
  4. Remove the quick connect coupling cover.
  5. Disconnect fuel feed hose coupling from the fuel feed pipe of the fuel rail using the Fuel Line Disconnect Tool (J 43178), or equivalent. See Figure . Use a shop towel to catch any remaining fuel that may leak. See QUICK CONNECT FITTING(S) SERVICE (METAL COLLAR)  .
  6. Disconnect PCV hose (1) from PCV valve. See Figure .
  7. Disconnect PCV breather hose (2). See Figure .
  8. Disconnect EVAP hose (3). See Figure .
  9. Swing the 2 PCV hoses and EVAP hose away from the cylinder.
  10. Remove the bolt to the ignition coil wire harness bracket.
  11. Disconnect fuel injector harness connectors.
  12. Remove the bolt (1) from fuel supply pipe bracket. See Fig 1 .
  13. Remove the 2 bolts (4) from the fuel rail (3). See Fig 1 .
  14. Remove fuel rail (3) and spacers (2) from the engine. See Fig 1 .
  15. Remove the fuel injector with the "O" rings and the grommets from the fuel rail.
Fig 1: Identifying Fuel Rail Components
G00180645Courtesy of GENERAL MOTORS CORP.
RENDER: 1.0x

NO RELATED

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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.