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Home › Pontiac › 2006 › GTO Standard › Repair and Diagnosis › Engine Performance › System › Engine Controls - 6.0L - Introduction (2 Of 2) › Repair Instructions › Fuel Injector Replacement › Installation Procedure

Installation Procedure

IMPORTANT: If the fuel injectors are being removed for the replacement of the fuel rail, it is not necessary to replace the O-rings on the fuel injector. Replace the O-rings only if they are damage.
    Fig 1: Fuel Rail Assembly
    GM1467502Courtesy of GENERAL MOTORS CORP.
  1. Apply a small amount of clean motor oil to the O-rings (2) and (10), before installing the new fuel injector.
  2. Install the fuel injector (1) in the fuel rail (7).
  3. Install the retaining clips for the fuel injector (4).
  4. Reconnect the electrical connector (3) for the fuel injector (1).
  5. Install the fuel rail assembly (7). Refer to Fuel Rail Assembly Replacement .
  6. Inspect for leaks:
    1. Turn the ignition switch ON for 2 seconds.
    2. Turn the ignition switch OFF for 10 seconds.
    3. Turn the ignition switch ON.
    4. Inspect for fuel leaks.
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