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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 281 (Engine Controls And Fuel - 3.0L (LGY) - Repair Instructions) >> Repair Instructions >> Fuel Tank Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
    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 (without LT4)Propeller Shaft Replacement (with LT4, MJK)Propeller Shaft Replacement (with LT4, MHX)Propeller Shaft Replacement (AWD)
  5. GM5519739Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Connector (1) - Disconnect [2x]

  6. Retainer (2) - Remove [4x]
  7. GM5519737Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank Vent Valve Hose (1) - Disconnect - Plastic Collar Quick Connect Fitting Service 

  8. Fuel Pump Fuel Feed Hose (2) - Disconnect - Plastic Collar Quick Connect Fitting Service 
  9. GM5519738Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank Filler Hose Clamp (1) - Loosen

  10. Fuel Tank Filler Hose - (2) Remove
  11. Evaporative Emission Canister Purge Hose (3) - Disconnect - Plastic Collar Quick Connect Fitting Service 
  12. Fuel Tank Filler Evaporative Emission Valve Hose (4) - Disconnect - Plastic Collar Quick Connect Fitting Service 
  13. Fuel Tank Vent Hose (5) - Disconnect - Plastic Collar Quick Connect Fitting Service 
  14. GM5519740Courtesy of GENERAL MOTORS COMPANY

    Place a suitable adjustable jack under the fuel tank.

  15. Fuel Tank Strap Bolt (1) - Remove [5x]
  16. Fuel Tank Strap (2) - Remove [2x]
  17. GM5519742Courtesy of GENERAL MOTORS COMPANY

    Fuel Tank (1) - Remove

  18. If replacing fuel tank transfer parts as necessary.