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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 Feed Intermediate Pipe Replacement >> Removal Procedure
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Removal Procedure

  1. Remove the fuel injection sight shield. Refer to Fuel Injector Sight Shield Replacement (LLT) .
  2. Remove the high pressure pump shield. Refer to Fuel Pipe Shield Replacement .
  3. Relieve fuel system pressure. Refer to Fuel Pressure Relief (High Pressure Pump) .
    4. Fig 1: Identifying High Pressure Pipe Fitting, Left Fuel Rail & High Pressure Fuel Pipe
    GM1977757Courtesy of GENERAL MOTORS COMPANY
  4. Remove the foam insulator from the pipes.
  5. Loosen the high pressure pipe fitting to the high pressure fuel pump (1).
  6. Loosen the high pressure pipe fitting to the left fuel rail (3).
  7. Remove the high pressure fuel pipe (2) from the vehicle. Discard the pipe.
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