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HOMESERVICE MANUALSCHEVROLET2019EXPRESS 2500 BASE, VAN CARGO EXTENDED, 6.0L ENG VIN GREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 28 (ENGINE CONTROLS AND FUEL - 2.8L (LWN) DIESEL - REPAIR INSTRUCTIONS)REPAIR INSTRUCTIONSFUEL INJECTOR REPLACEMENTINSTALLATION PROCEDURE
2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN G

Installation Procedure

2019 Chevrolet Express 2500 Base, Van Cargo Extended, 6.0L Eng VIN GSECTION Installation Procedure
WARNING: This page is about a different car, the 2018 GMC Savana 3500, 2018 GMC Savana 2500, 2018 Chevrolet Express 3500, and 2018 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean and inspect the fuel injector prior to reinstalling it. Fuel Injector Cleaning and Inspection
  2. GM4224213Courtesy of GENERAL MOTORS COMPANY

    Combustion Fuel Injector Seal (1) - Install NEW

  3. GM4630824Courtesy of GENERAL MOTORS COMPANY

    Slide the fuel injector hold down clamp (2) into the grooves on the fuel injector (1) and install them together into the valve rocker arm cover ensuring that the fuel injector locating pin engages the fuel injector hold down clamp.

  4. GM4630817Courtesy of GENERAL MOTORS COMPANY

    Fuel Injector Washer (2) - Install

    5. CAUTION:

    Refer to Fastener Caution .

  5. Fuel Injector Bracket Bolt (1) - Install and tighten to 30 N.m (22 lb ft)
  6. GM4224199Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Fuel Injector (2) - Connect

    7. NOTE:

    If applicable, perform the fuel filter life reset after replacing the fuel filter.

  7. Replace the fuel filter. Fuel Filter Replacement 
  8. Prime the fuel system. Fuel System Priming 
  9. With the engine running, check the fuel system for leaks.
  10. Fuel Injector Deadener - Install - Fuel Injector Deadener Replacement 
  11. Perform the fuel injection small quantity learn. Fuel Injection Small Quantity Learn 
  12. Perform the fuel trim reset. Fuel Trim Reset 
  13. Perform the high pressure fuel correction reset. High Pressure Fuel Correction Reset 
  14. Perform the fuel injector flow rate programming. Fuel Injector Flow Rate Programming 
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.