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Home › Saab › 2011 › 9-4X Aero › Repair and Diagnosis › Engine Performance › Engine Management And Fuel System, V6 › Adjustment Replacement › Fuel Injector Replacement › Removal Procedure

Removal Procedure

  1. Relieve the high side fuel system pressure. Refer to FUEL PRESSURE RELIEF .
  2. NOTE: The fuel injectors have an alignment feature. Note the position of the injectors for reinstallation.

    Remove the fuel injection fuel rail assembly. Refer to FUEL INJECTION FUEL RAIL ASSEMBLY REPLACEMENT - BANK 1 (LF1, LFW)  or FUEL INJECTION FUEL RAIL ASSEMBLY REPLACEMENT - BANK 2 (LF1, LFW) .

  3. Remove and discard the three fuel injector retaining rings (1).
    Fig 1: Identifying Fuel Injector Retaining Rings
    G09405087Courtesy of SAAB-SCANIA OF AMERICA, INC.
  4. Remove the direct fuel injectors and harness (1) as an assembly, and disconnect the electrical connector (2). If necessary, use the GE-6125-1B  slide hammer with the EN 3721-A  injector remover in order to remove the direct fuel injectors evenly.
    Fig 2: Identifying Direct Fuel Injectors, Harness And Connector
    G09405088Courtesy of SAAB-SCANIA OF AMERICA, INC.
  5. Remove and discard the following components from the fuel injectors (4).
    Fig 3: Identifying Fuel Injectors Related Components
    G09405089Courtesy of SAAB-SCANIA OF AMERICA, INC.
    • Upper O-ring Seal (1)
    • Plastic Spacer (2)
    • Retaining Ring (3)
    • Isolator Cup (5)
    • Teflon Seal (6)
  6. Inspect the fuel rail injector bores and clean with the EN 39313  adapter, and EN-47909  cleaning kit, if required.
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