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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> 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) >> Installation Procedure

Installation 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. GM5299250

    Align the splines of the oil pump drive shaft (1) to mesh into the oil pump vane rotor (3).

    2. CAUTION:

    Ensure the splines on the oil pump drive shaft are properly aligned to mesh into the oil pump vane rotor during oil pump drive shaft installation. Excessive force on the oil pump driveshaft during installation into the oil pump may result in damage to the oil pump vane rotor.

  2. Oil Pump Drive Shaft (1) @ Oil Pump (2) - Install
  3. GM5028557

    Oil Pump Seal (4) - Install NEW

    4. NOTE:

    Oil pump locating pins (3) shown for visual purpose, they are not serviceable.

  4. Oil Pump Flow Control Solenoid Valve (2) - Install
    5. CAUTION:

    Refer to Fastener Caution .

  5. Oil Pump Flow Control Solenoid Valve Bolt (1) - Install and tighten - Fastener Specifications
  6. GM5286400

    Oil Pump Gasket (3) - Install NEW

  7. Oil Pump (2) - Install
  8. Oil Pump Bolt (1) - Install [3x] - Fastener Specifications
  9. Lubricate the bearings inside of the balancer shaft lower housing with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers
  10. GM5286397

    Install the balancer shaft lower housing and oil pump as an assembly (4).

  11. Lower Crankcase Extension Bolt (2) - Install and tighten - Fastener Specifications
  12. Balancer Shaft Housing Bolt (1, 3) - Install [7x] - Fastener Specifications
  13. GM5336144

    Loosen the EN-52442  Balance Shaft Holding Tool thumb screw (3), then slide the wedge of the EN-52442  Balance Shaft Holding Tool (2) away from the balance shaft weights.

  14. EN-52442  Balance Shaft Holding Tool (1) - Remove
  15. GM5336109
    NOTE:

    Tilt the balancer shaft access hole plate to install through the access hole, then rotate it clockwise until it stops.

    Balancer Shaft Access Hole Plate (3) - Install

  16. Balancer Shaft Access Hole Washer (2) - Install
  17. Balancer Shaft Access Hole Nut (1) - Install and tighten - Fastener Specifications
  18. GM5136171

    Oil Pump Suction Pipe Gasket (3) - Install NEW

  19. Oil Pump Screen (2) - Install
  20. Oil Pump Screen Bolt (1) - Install and tighten - Fastener Specifications
  21. GM5111486

    Positive Crankcase Ventilation Oil Separator Drain Pipe (1) - Install and tighten - Fastener Specifications

  22. GM5285836

    Engine Oil Level Indicator Control Module Wiring Harness (1) - Reposition

  23. Retainer (3) - Install [2x]
  24. Electrical Connector (1) @ Oil Pump Flow Control Solenoid Valve (2) - Connect
  25. Clean all sealing surfaces.
  26. Spray Low LOC brake cleaner on the LCE sealing surface and wipe off with a clean shop towel. Avoid touching the surface after cleaning and air dry with shop air.
  27. Wipe the oil pan surface with the adhesion plastic pan primer promoter and a clean shop towel. Allow the cleaner to flash / evaporate. Wipe off the sealing surfaces with a lint free cloth. Do not touch the sealing surface after cleaning to avoid inducing containment debris to the bonding surface area. Adhesives, Fluids, Lubricants, and Sealers
  28. GM5020714
    NOTE:

    Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant

    Apply approximately a 4 mm (0.16 in) thick bead of sealant (1) to the lower oil pan. Adhesives, Fluids, Lubricants, and Sealers

  29. GM5442546
    NOTE:
    • The engine block lower structural extension surface must be free of contamination prior to applying the sealer.
    • Install and align the oil pan to the block within 10 minutes after applying the sealer.
    • The oil pan must be fastened to final torque specification within 15 minutes after applying the sealer.

    Install the EN-52483  Guide Pins (1) in two locations to keep oil pan square.

  30. Lower Oil Pan (2) - Install
  31. Lower Oil Pan Bolt (3) - Install and tighten in sequence [18x] - Fastener Specifications
  32. Remove the EN-52483  Guide Pins (1).
  33. Install harness retainers as needed.
  34. GM5420502

    Front Compartment Air Deflector (2) - Install

  35. Front Compartment Air Deflector Bolt (1) - Install and tighten [4x] - Fastener Specifications
  36. GM5396496

    Front Wheelhouse Liner Bolt (3) - Install and tighten - Fastener Specifications

  37. Engine Front Splash Shield Retainer (2) - Install [2x]
  38. Engine Front Splash Shield Bolt (1) - Install and tighten - Fastener Specifications
  39. GM5396453

    Front Wheelhouse Liner Bolt (1) - Install and tighten - Fastener Specifications

  40. Engine Front Splash Shield Retainer (2) - Install [2x]
  41. Engine Front Splash Shield Bolt (3) - Install and tighten - Fastener Specifications
  42. GM5396438

    Front Bumper Fascia Center Air Deflector Retainer (2) - Install [2x]

  43. Front Bumper Fascia Center Air Deflector Bolt (1) - Install and tighten [5x] - Fastener Specifications
  44. Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement (RWD) , or Engine Oil and Oil Filter Replacement (AWD) 
  45. Connect the battery. Battery Negative Cable Disconnection and Connection
  46. Perform the engine oil life reset. GM Oil Life System Resetting (With Scan Tool) , or GM Oil Life System Resetting (Without Scan Tool)
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