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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 59 (Engine Controls And Fuel - 2.0L (LSY) - Repair Instructions) >> Repair Instructions >> Fuel Tank Shield Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. GM5424015

    Rear Tire Front Air Deflector Bolt (1) - Remove [2x]

  3. Rear Tire Front Air Deflector- Left Side (2) - Remove
  4. GM5400553

    Rear Wheelhouse Liner Screw (1) - Remove

  5. Underbody Rear Air Deflector Plastic Nut (2) - Remove [3x]
  6. Underbody Rear Air Deflector Bolt (3) - Remove [3x]
  7. Underbody Rear Air Deflector Nut (4) - Remove [2x]
  8. Underbody Rear Air Deflector- Left Side (5) - Remove
  9. GM5424018

    Rear Tire Front Air Deflector Bolt (1) - Remove [2x]

  10. Rear Tire Front Air Deflector- Right Side (2) - Remove
  11. GM5400642

    Rear Wheelhouse Liner Screw (1) - Remove

  12. Underbody Rear Air Deflector Bolt (2) - Remove [3x]
  13. Underbody Rear Air Deflector Plastic Nut (3) - Remove [3x]
  14. Underbody Rear Air Deflector Nut (4) - Remove [2x]
  15. Underbody Rear Air Deflector- Right Side (5) - Remove
  16. GM5400756

    Floor Panel Number 4 Cross Bar Reinforcement Bolt (1) - Remove [6x]

  17. Floor Panel Number 4 Cross Bar Reinforcement (2) - Remove
  18. GM5309188

    Catalytic Converter Nut (1) - Remove [2x]

  19. GM5309202

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Left Side (2) - Separate

  20. Exhaust Muffler (1) @ Exhaust Rear Muffler Insulator-Left Side (3) - Separate
  21. GM5309211

    Exhaust Muffler (1) @ Exhaust Intermediate Pipe Insulator-Right Side (2) - Separate

  22. Exhaust Muffler (1) @ Exhaust Rear Muffler Insulator-Right Side (3) - Separate
  23. { If equipped } Electrical Connector @ Exhaust Control Valve Actuator - Disconnect
  24. GM5309214

    With the aid of an assistant, lower the exhaust system from the vehicle. (1)

  25. Catalytic Converter Gasket (2) - Remove and DISCARD
  26. GM5309833

    Exhaust Heat Shield Bolt (1) - Remove [6x]

  27. Exhaust Intermediate Underbody Heat Shield (2) - Remove
  28. GM5334717

    Floor Panel Number 2 Cross Bar Reinforcement Bolt (1) - Remove [4x]

  29. Floor Panel Number 2 Cross Bar Reinforcement (2) - Remove
  30. GM5317834

    Propeller Shaft Hub Clamp (1) - Remove and DISCARD

  31. GM5317835

    Mark (2) the relationship of the propeller shaft to the rear differential flange using a paint pen.

  32. CAUTION:

    When removing the propeller shaft, do not remove the propeller shaft coupler from the propeller shaft assembly. The only bolts that should be removed are those that mount each coupler to the transmission output flange, and to the rear drive axle input flange. Failure to properly remove the propeller shaft assembly may cause coupler damage, resulting in necessary replacement of the entire propeller shaft.

  33. Rear Propeller Shaft Nut (3) - Remove [3x]
  34. Rear Propeller Shaft Bolt (1) - Remove [3x]
  35. Support and secure the propeller shaft to a suitable hydraulic jack stand.
  36. GM5317838

    Propeller Shaft Bearing Support Bolt (1) - Remove [2x]

  37. GM5317841

    Propeller Shaft (1) - Remove

  38. GM5312860

    Fuel Tank Shield Retainer (1) - Remove [5x]

  39. Fuel Tank Shield (2) - Remove