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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1966 (Engine Controls And Fuel - 3.6L (LCS) - Introduction) >> Repair Instructions >> Fuel Pump Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Relieve the low and high side fuel system pressure. Refer to Fuel Pressure Relief (with CH 48027-100) or Fuel Pressure Relief (w/o CH 48027-100) .
  2. Remove the drive motor generator power inverter module. Refer to Drive Motor Generator Power Inverter Module Removal and Installation .
  3. Remove the high pressure fuel pump shield. Refer to Fuel Pipe Shield Replacement .
  4. Remove the upper intake manifold. Refer to Upper Intake Manifold Replacement (LCS) .
    5. Fig 1: High Pressure Fuel Pump Components
    GM2221135Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the engine wiring harness electrical connector from the high pressure fuel pump.
  6. Remove the radiator surge tank outlet pipe. Refer to Radiator Surge Tank Outlet Hose/Pipe Replacement (LY7)
  7. Remove the low pressure feed pipe. Refer to Fuel Feed Pipe Replacement .
  8. Remove the high pressure pipe. Refer to Fuel Feed Intermediate Pipe Replacement . Discard this pipe.
  9. Remove and discard the high pressure fuel pump bolts (1).
  10. Remove the high pressure fuel pump (2).
  11. Remove and discard the high pressure fuel pump O-ring (3).
  12. Remove and discard the high pressure fuel pump gasket (4).
  13. Remove the high pressure fuel pump roller lifter (5).
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