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Home >> Cadillac >> 2011 >> STS AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 3.6L - Repair Instructions >> Repair Instructions >> Fuel Injection Fuel Rail Assembly Replacement - Bank 2 >> Removal Procedure
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Removal Procedure

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (High Pressure Pump) .
  2. Remove the fuel pipe shield. Refer to Fuel Pipe Shield Replacement .
  3. Remove the high pressure fuel sensor. Refer to Fuel Pressure Sensor Replacement .
  4. Remove the fuel rail crossover pipe. Refer to Fuel Injection Fuel Rail Crossover Tube Replacement . Discard this pipe.
  5. Fig 1: Identifying Fuel Rail & Bolts
    GM1977744Courtesy of GENERAL MOTORS COMPANY
  6. Remove the fuel rail bolts (1).
  7. Carefully remove the Bank 2 fuel rail (2) from the engine. Lift the rear of the rail to ease removal.
  8. Remove and discard the direct fuel injector hold down clamps.
  9. NOTE:

    The direct fuel injectors must be rebuilt whenever the injector has been released from the fuel rail or cylinder head.

  10. Once the fuel rail is removed, remove the fuel injectors and rebuild them. Refer to Fuel Injector Replacement .