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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (3 Of 3)) >> Repair Instructions >> Oil Pump Replacement (RWD) >> 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. Disconnect the battery. Battery Negative Cable Disconnection and Connection
  2. NOTE:

    Leave the oil filter in place, or oil will continue to drip.

  3. Drain the engine oil. Engine Oil and Oil Filter Replacement (RWD) , or Engine Oil and Oil Filter Replacement (AWD) 
  4. GM5396438

    Front Bumper Fascia Center Air Deflector Bolt (1) - Remove [5x]

  5. Front Bumper Fascia Center Air Deflector Retainer (2) - Remove [2x]
  6. GM5396453

    Front Wheelhouse Liner Bolt (1) - Remove

  7. Engine Front Splash Shield Retainer (2) - Remove [2x]
  8. Engine Front Splash Shield Bolt (3) - Remove
  9. GM5396496

    Front Wheelhouse Liner Bolt (3) - Remove

  10. Engine Front Splash Shield Retainer (2) - Remove [2x]
  11. Engine Front Splash Shield Bolt (1) - Remove
  12. GM5420502

    Front Compartment Air Deflector Bolt (1) - Remove [4x]

  13. Front Compartment Air Deflector (2) - Remove
  14. Disconnect harness retainers from lower oil pan as needed.
  15. GM5442545

    Lower Oil Pan Bolt (1) - Remove [18x]

  16. NOTE:
    1. Do not pry on the oil pan to LCE as the sealing surface will become damaged.
    2. Use the lower oil pan bolts in the provided jack screw (threaded inserts) in the oil pan. Tighten the jack screw by hand 1 to 2 turn each uniformly and move to the next screw until the oil pan has full separation from the LCE.
  17. Lower Oil Pan (2) - Remove
  18. GM5285836

    Electrical Connector (1) @ Oil Pump Flow Control Solenoid Valve (2) - Disconnect

  19. Retainer (3) - Unclip [2x]
  20. Engine Oil Level Indicator Control Module Wiring Harness (1) - Position aside
  21. GM5111486

    Positive Crankcase Ventilation Oil Separator Drain Pipe (1) - Remove

  22. GM5136171

    Oil Pump Screen Bolt (1) - Remove

  23. Oil Pump Screen (2) - Remove
  24. Oil Pump Suction Pipe Gasket (3) - Remove and DISCARD
  25. GM5336109

    Balancer Shaft Access Hole Nut (1) - Remove

  26. Balancer Shaft Access Hole Washer (2) - Remove
  27. NOTE:

    Rotate and tilt the balancer shaft access hole plate as necessary to remove through the access hole.

  28. Balancer Shaft Access Hole Plate (3) - Remove
  29. GM5336144

    EN-52442  Balance Shaft Holding Tool (1) - Install and hand tighten

  30. Use the crankshaft balancer to rotate the engine until the balance shaft weights contact the EN-52442  Balance Shaft Holding Tool (1).
  31. Slide the wedge of the EN-52442  Balance Shaft Holding Tool (2) to the balance shaft weights and tighten the EN-52442  Balance Shaft Holding Tool thumb screw (3) to hold the balance shafts in position.
  32. GM5286397

    Balancer Shaft Housing Bolt (1, 3) - Remove [7x]

  33. Lower Crankcase Extension Bolt (2) - Remove
  34. Remove the balancer shaft lower housing and oil pump as an assembly (4).
  35. GM5286400

    Oil Pump Bolt (1) - Remove [3x]

  36. Oil Pump (2) - Remove
  37. Oil Pump Gasket (3) - Remove and DISCARD
  38. GM5028557

    Oil Pump Flow Control Solenoid Valve Bolt (1) - Remove

  39. CAUTION:

    After removing the oil pump flow control valve, ensure the entire valve has been removed and there is no debris left in the oil pump bore. Failure to ensure the oil pump bore is free from debris may result in engine damage.

    NOTE:
    • The engine should be allowed to cool for 2 hours, or until the pump is near ambient temperature or there is a high risk of breaking the oil pump flow control solenoid valve off in the bore when attempting removal.
    • Oil pump locating pins (3) shown for visual purpose, they are not serviceable.
  40. Oil Pump Flow Control Solenoid Valve (2) - Remove
  41. Oil Pump Seal (4) - Remove and DISCARD
  42. GM5299250

    Oil Pump Drive Shaft (1) @ Oil Pump (2) - Remove