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Home >> Cadillac >> 2018 >> XTS Livery >> Repair and Diagnosis >> Engine Mechanical >> Blowers, Superchargers & Turbochargers >> Engine Controls And Fuel - 3.6L (LFX LF3) - Repair Instructions >> Repair Instructions >> Fuel Feed Hose Replacement (LF3) >> Installation Procedure

Installation Procedure

  1. If replacing fuel feed hose with a new hose install the fuel pressure sensor with a NEW O-Ring. Fuel Pressure Sensor Replacement - Fuel Feed Pipe (AWD) 
  2. GM3336842Courtesy of GENERAL MOTORS COMPANY

    Install the fuel feed hose (2) to the vehicle.

  3. Install the fuel feed hose (2) to the retainers (1).
  4. Connect the fuel feed hose (2) to the fuel feed pipe. Plastic Collar Quick Connect Fitting Service 
  5. Connect fuel pressure sensor electrical connector.
  6. If equipped, install the right rear underbody air deflector. Underbody Rear Air Deflector Replacement - Right Side (AWD)
  7. If equipped, install the right front underbody air deflector. Underbody Front Air Deflector Replacement - Right Side
  8. GM3336740Courtesy of GENERAL MOTORS COMPANY

    Connect the fuel feed hose (2) to the retainers (1).

  9. Install the air condition evaporator thermal expansion valve heat and brake pipe shield. Air Conditioning Evaporator Thermal Expansion Valve Heat and Brake Pipe Shield Replacement (LF3)
  10. Install the drivetrain and front suspension frame. Drivetrain and Front Suspension Frame Replacement
  11. Lower the vehicle.
  12. GM3336532Courtesy of GENERAL MOTORS COMPANY

    Connect the fuel feed hose (1) to the fuel rail. Metal Collar Quick Connect Fitting Service 

  13. Install the air cleaner outlet resonator. Air Cleaner Outlet Resonator Replacement (LF3) 
  14. Install the intake manifold cover. Intake Manifold Cover Replacement (LF3)
  15. Pressurize fuel system and inspect for fuel leaks.