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Home >> Cadillac >> 2018 >> CT6 Plug-In >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.0L (LTG) - Repair Instructions >> Repair Instructions >> Fuel Tank Replacement (HP9) >> Removal Procedure

Removal Procedure

    WARNING:

    Refer to Diesel/Gasoline Vapors Warning .

    WARNING:

    Refer to Safety Glasses Warning .

  1. Relieve the fuel system pressure. Fuel Pressure Relief 
  2. Drain the fuel tank. Fuel Tank Draining 
  3. Raise and support the vehicle. Lifting and Jacking the Vehicle .
  4. Propeller Shaft - Remove - Propeller Shaft Replacement
  5. Underbody Rear Air Deflector - Right Side - Remove - Underbody Rear Air Deflector Replacement - Right Side
  6. Underbody Rear Air Deflector - Left Side - Remove - Underbody Rear Air Deflector Replacement - Left Side
  7. Rear Wheelhouse Liner - Right Side - Remove - Rear Wheelhouse Liner Replacement
  8. GM4483279Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Remove [2x]

  9. Wiring Harness Connector (2) - Disconnect
  10. GM4483331Courtesy of GENERAL MOTORS COMPANY

    Fuel Feed Hose (1) - Disconnect - Plastic Collar Quick Connect Fitting Service 

  11. Evaporative Emission Pipe (2) - Disconnect - Plastic Collar Quick Connect Fitting Service 
  12. GM4483336Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Canister Hose (1) - Disconnect - Plastic Collar Quick Connect Fitting Service 

  13. Fuel Tank Filler Hose Clamp (2) - Remove
  14. Fuel Tank Filler Hose (3) - Remove
  15. Evaporative Emission Canister Purge Hose (4) - Disconnect - Plastic Collar Quick Connect Fitting Service 
  16. Fuel Tank Filler Pipe (5) - Disconnect - Plastic Collar Quick Connect Fitting Service 
  17. GM4483677Courtesy of GENERAL MOTORS COMPANY

    Place a suitable adjustable jack under the fuel tank.

  18. Fuel Tank Strap Bolt (1) - Remove [5x]
  19. Fuel Tank Strap (2) - Remove [2x]
  20. GM4483346Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank (1) - Remove

  21. If replacing fuel tank transfer parts as necessary.