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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Controls And Fuel - 4.3L (LV1) - Repair Instructions) >> Repair Instructions >> Fuel Injector Replacement >> Installation Procedure

Installation Procedure

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  1. GM4862025Courtesy of GENERAL MOTORS COMPANY

    Use the EN-51097  replacer (1) to spread apart both sides of the fuel injector hold down clamp (2) evenly and install the clamp.

  2. After removing the EN-51097  replacer (1), inspect each fuel injector hold down clamp (2) and ensure each clamp is properly installed.
  3. GM4855985Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    All fuel injector components MUST be clean and free of debris prior to installation.

    Install the rebuilt fuel injectors (1) to the fuel injection fuel rail.

  4. GM4855981Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Do NOT reuse the fuel feed intermediate pipe. If the fuel feed intermediate pipe fittings are loosened or the pipes are removed, the pipes MUST be replaced.
    • Inspect for leaks before installing the fuel pump insulator.

    Install the fuel injection fuel rail (1), connect the engine wiring harness, and install the fuel feed intermediate pipe. Fuel Injection Fuel Rail Assembly Replacement - Bank 1 , or Fuel Injection Fuel Rail Assembly Replacement - Bank 2 

  5. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (Single Battery) , or Battery Negative Cable Disconnection and Connection (Dual Battery)
  6. Pressurize the fuel system and inspect for leaks.
  7. If NO leaks are observed, continue installing the remaining components. Fuel Injection Fuel Rail Assembly Replacement - Bank 1 , or Fuel Injection Fuel Rail Assembly Replacement - Bank 2