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Fuel Rail And Injectors Removal

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Fuel Rail Stop Bracket And Bolt
    GM260098Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Refer to Fuel Rail Stop Bracket Installation Warning .

    NOTE:

    The intake manifold, throttle body, fuel injection rail and fuel injectors may be removed as an assembly. If not servicing the individual components, remove the intake manifold as a complete assembly.

  1. Remove the fuel rail stop bracket and bolt, as required.
    2. Fig 2: EVAP Canister Purge Solenoid Valve And Tubes
    GM1401970Courtesy of GENERAL MOTORS COMPANY
  2. Remove the evaporative emission (EVAP) canister purge solenoid valve (730) and tubes (729, 735).
    3. Fig 3: Fuel Rail And Bolts
    GM1401976Courtesy of GENERAL MOTORS COMPANY
  3. Remove the fuel rail bolts (511).
    4. NOTE:
    • Do not separate the fuel injectors from the fuel rail, unless component service is required.
    • Use cleanliness and care when handling the fuel system components.
    • Do not allow dirt or debris to enter the fuel injectors or fuel rail components. Cap ends, as necessary.
  4. Remove the fuel rail (510) with injectors. Lift evenly on both sides of the fuel rail until all the injectors have left their bores.
    5. Fig 4: Fuel Injector Components
    GM1401978Courtesy of GENERAL MOTORS COMPANY
  5. Remove the fuel injector retainers (521) and fuel injectors (533), as required.
  6. Remove the O-rings (532, 534) from the injectors, as required.
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