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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 (RWD) >> 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. Drain the engine oil. Engine Oil and Oil Filter Replacement 
  2. GM5500451Courtesy of GENERAL MOTORS COMPANY

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

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

    Disconnect the electrical connector. (1)

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

    Remove the 5 lower transmission bolts. (1)

  10. GM5527072Courtesy of GENERAL MOTORS COMPANY

    Oil Pan Bolt (1, 2, 4) - Remove [14x]

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