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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 326 (Engine Mechanical - 3.0L (LGY) - Repair Instructions) >> Repair Instructions >> Upper Oil Pan Replacement (AWD) >> 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.
  1. Front Differential Carrier Assembly - Remove - Front Differential Carrier Assembly Replacement (LGY)
  2. Drain the engine oil. Engine Oil and Oil Filter Replacement 
  3. GM5500451Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Adapter Bolt (1) - Remove [4x]

  4. Position engine oil cooler aside.
  5. GM4255820Courtesy of GENERAL MOTORS COMPANY

    Disconnect the electrical connector. (1)

  6. Engine Wiring Harness Retainer (2) - Disconnect
  7. Engine Mount Bracket-Left Side - Remove - Engine Mount Bracket Replacement - Left Side (AWD) 
  8. Engine Mount Bracket-Right Side - Remove - Engine Mount Bracket Replacement - Right Side (AWD) 
  9. Catalytic Converter Brace - Remove - Catalytic Converter Brace Replacement (LGY)
  10. GM4165892Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Remove [5x]

  11. GM4078960Courtesy of GENERAL MOTORS COMPANY

    Oil Pan Bolt (1 - 3) - Remove [14x]

  12. Oil Pan Bolt (4) - Remove and DISCARD [3x]
  13. Oil Pan (5) - Remove
  14. Clean, inspect, and overhaul the oil pan as needed. Oil Pan Overhaul (AWD)