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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls/Fuel - 2.4L - Repair Instructions >> Repair Instructions >> Fuel Pump Replacement >> Removal Procedure
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Removal Procedure

  1. Relieve the low and high side fuel system pressure. Refer to Fuel Pressure Relief .
    2. Fig 1: High Pressure Fuel Pump Components
    GM2242301Courtesy of GENERAL MOTORS COMPANY
  2. Disconnect the engine wiring harness electrical connector from the high pressure fuel pump.
  3. Remove the low pressure feed pipe. Refer to Fuel Feed Pipe Replacement .
  4. Remove the high pressure pipe. Refer to Fuel Feed Intermediate Pipe Replacement . Discard this pipe.
  5. Remove and discard the high pressure fuel pump bolts (1).
  6. Remove the high pressure fuel pump (2).
  7. Remove and discard the high pressure fuel pump O-ring (3).
  8. Remove and discard the high pressure fuel pump gasket (4).
  9. Remove the high pressure fuel pump roller lifter (5).
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