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Home >> Chevrolet >> 2003 >> SSR Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 5.3L - Introduction >> Repair Instructions >> Fuel Rail Crossover Pipe Replacement >> Removal Procedure
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Removal Procedure

  1. Remove the engine sight shield. Refer to Engine Sight Shield Replacement in Engine Mechanical.
    2. Fig 1: View Of Rear Of Engine Fuel Pipe Connections
    GM300360Courtesy of GENERAL MOTORS CORP.
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief Procedure .
  3. Disconnect the fuel feed pipe (1) and the fuel return pipe (2) from the fuel rail.
    4. Fig 2: Exploded View Of Fuel Rails & Injector Components
    GM350543Courtesy of GENERAL MOTORS CORP.
  4. Remove the fuel return pipe attaching screw (3) and the fuel return pipe retainer (2).
  5. Remove the fuel return pipe (1).
  6. Remove the fuel return pipe O-ring (6).
  7. Remove the fuel pressure connection core assembly (24) from the crossover pipe (25).
  8. Remove the retainer clip attaching screw (22) and the crossover fuel pipe to the right fuel rail retainer clip (21).
  9. Remove the retainer clip attaching screw (4) and the crossover fuel pipe to the left fuel rail retainer clip (5).
  10. Remove the crossover pipe (25) from the left fuel rail (14) and the right fuel rail (15).
  11. Remove the crossover fuel pipe O-rings (7, 20).
  12. Discard the O-rings (6, 7, 20).
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