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Home >> Saab >> 2009 >> 9-7X 4.2i >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.2L - Introduction >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Identifying Fuel Rail Assembly
    GM1483954Courtesy of GENERAL MOTORS CORP.
  1. Lubricate the new lower injector O-ring seals with clean engine oil.
  2. Install the new O-ring seals on the spray tip end of each injector.
    3. Fig 2: Locating Fuel Rail Assembly & Fuel Injector Harness In-Line Connector (3) At Engine Wire Harness
    GM1482970Courtesy of GENERAL MOTORS CORP.
  3. Install the fuel rail assembly (1).
    4. CAUTION: Refer to Fastener Caution .
  4. Apply a 5 mm (0.2 in) band of threadlock GM P/N 12345382 (Canadian P/N 10953489) or equivalent, to the threads of the fuel rail bolts (2).

    Install the fuel rail attaching bolts (2) and tighten to 10 N.m (89 lb in).

  5. Install the fuel injector harness in-line connector (3) to the rocker cover.
  6. Connect the fuel injector harness in-line connector (3) to the engine wire harness.
    7. Fig 3: Identifying Fuel Feed Pipe At Fuel Rail
    GM1368526Courtesy of GENERAL MOTORS CORP.
  7. Connect the fuel feed pipe (3) to the fuel rail (2). Refer to Metal Collar Quick Connect Fitting Service .
  8. Connect the fuel injector electrical connectors.
  9. Install the intake manifold. Refer to Intake Manifold Replacement .
  10. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  11. Inspect for leaks.
    1. Turn ON the ignition, with the engine OFF for 2 seconds.
    2. Turn OFF the ignition for 10 seconds.
    3. Turn ON the ignition, with the engine OFF.
    4. Inspect for fuel leaks.
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