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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 Injection Fuel Rail Assembly Replacement - Bank 1 >> 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 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 fuel pipe shield. Refer to Fuel Pipe Shield Replacement .
  4. Remove the upper intake manifold. Refer to Upper Intake Manifold Replacement (LCS) .
  5. Remove the high pressure fuel pipe. Discard the pipe. Refer to Fuel Feed Intermediate Pipe Replacement .
  6. Remove the fuel rail crossover tube. Refer to Fuel Injection Fuel Rail Crossover Tube Replacement . Discard the pipe.
  7. Remove the foam insulator from the fuel rails.
    8. Fig 1: Identifying Fuel Rail Bolts
    GM1977744Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the fuel pressure sensor electrical connector and cut the wire harness tie straps.
  9. Remove the fuel rail (2) bolts (1).
    10. Fig 2: Removing/Installing Fuel Pressure Sensor From Fuel Injection Fuel Rail
    GM1977753Courtesy of GENERAL MOTORS CORP.
  10. Remove the fuel pressure sensor. Refer to Fuel Pressure Sensor Replacement
  11. Remove and discard the direct fuel injector hold down clamps.
    12. NOTE: The direct fuel injectors must be rebuilt whenever the injector has been released from the fuel rail or cylinder head.
  12. Once the fuel rail is removed, remove the fuel injectors and rebuild them. Refer to Fuel Injector Replacement .
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