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Home >> Cadillac >> 2017 >> 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 >> Removal Procedure

Removal Procedure

  1. Relieve the fuel system pressure. Refer to Fuel Pressure Relief 
    WARNING: Refer to Gasoline/Gasoline Vapors Warning .
    WARNING: Refer to Safety Glasses Warning .
  2. Drain the fuel tank. Refer to Fuel Tank Draining 
  3. Raise and support the vehicle. Refer to 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 Cradle Mount Bolt Bracket» Remove - Rear Cradle Mount Bolt Bracket Replacement (Bracket) and/or Rear Cradle Mount Bolt Bracket Replacement (Brace)
  8. Rear Wheelhouse Liner - Right Side» Remove - Rear Wheelhouse Liner Replacement (LTG)
  9. Retainer (1)» Remove [2x]
    Fig 1: Retainer And Wiring Harness Connector
    GM4251178Courtesy of GENERAL MOTORS COMPANY
  10. Wiring Harness Connector (2)» Disconnect
  11. Wiring Harness (3)» Remove
  12. Fuel Feed Hose (1)» Disconnect - Plastic Collar Quick Connect Fitting Service 
    Fig 2: Fuel Feed Hose And Evaporative Emission Pipe
    GM4256707Courtesy of GENERAL MOTORS COMPANY
  13. Evaporative Emission Pipe (2)» Disconnect - Plastic Collar Quick Connect Fitting Service 
  14. Fuel Tank Filler Pipe (1)» Disconnect - Plastic Collar Quick Connect Fitting Service 
    Fig 3: Fuel Tank Filler Hose, Pipe And Evaporative Emission Canister Hoses
    GM4250982Courtesy of GENERAL MOTORS COMPANY
  15. Fuel Tank Filler Hose Clamp (2)» Remove
  16. Fuel Tank Filler Hose (3)» Remove
  17. Evaporative Emission Canister Hose (4)» Disconnect - Plastic Collar Quick Connect Fitting Service 
  18. Evaporative Emission Canister Purge Hose (5)» Disconnect - Plastic Collar Quick Connect Fitting Service 
  19. Place a suitable adjustable jack under the fuel tank.
    Fig 4: Fuel Tank Strap And Fuel Tank Strap Bolts
    GM4256752Courtesy of GENERAL MOTORS COMPANY
  20. Fuel Tank Strap Bolt (1)» Remove [4x]
  21. Fuel Tank Strap (2)» Remove [2x]
  22. Fuel Tank (1)» Remove
    Fig 5: Fuel Tank
    GM4256760Courtesy of GENERAL MOTORS COMPANY
  23. If replacing fuel tank transfer parts as necessary.
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