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Home >> Cadillac >> 2004 >> CTS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 5.7L - Introduction >> Repair Instructions >> Fuel Hose/Pipes Replacement - Engine Compartment >> Removal Procedure
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Removal Procedure

    CAUTION: Refer to Battery Disconnect Caution in Cautions and Notices.
    NOTE:
    • Do not repair the fuel feed or return pipes.
    • Replace the fuel feed and return pipes with original equipment or with parts that meet the GM specifications for those parts. The replacement pipe must have the same type of fittings as the original pipe in order to ensure the integrity of the connection.
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement in Engine Mechanical - 5.7L.
  3. Relieve the fuel system pressure. Refer to the Fuel Pressure Relief Procedure .
    4. Fig 1: Disconnecting Quick-Connect Fitting At Chassis Fuel Pipe
    GM1392557Courtesy of GENERAL MOTORS CORP.
  4. Disconnect the quick-connect fitting at the chassis fuel pipe (3). Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  5. Remove the retaining nut (5) from the engine compartment fuel line bracket.
    6. Fig 2: Disconnecting Quick-Connect Fitting At Fuel Rail
    GM1392565Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the quick-connect fitting at the fuel rail (6). Refer to Quick Connect Fitting(s) Service (Metal Collar) .
  7. Cap the pipes in order to prevent possible fuel system contamination.
  8. Remove the retaining nut from the fuel line bracket stud (5).
    9. Fig 3: Removing Engine Compartment Fuel Pipe From Vehicle
    GM1455623Courtesy of GENERAL MOTORS CORP.
  9. Remove the engine compartment fuel pipe from the vehicle.
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