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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 325 (Engine Mechanical - 2.0L (LSY) - Repair Instructions) >> Repair Instructions >> Oil Pump Replacement >> Installation Procedure

Installation 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. Oil Pump Flow Control Solenoid Valve - Install - Oil Pump Flow Control Solenoid Valve Replacement
  2. GM5299250Courtesy of GENERAL MOTORS COMPANY

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

    3. 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.

  3. Oil Pump Drive Shaft (1) @ Oil Pump (2) - Install
  4. GM5299506Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Seal (1) - Install NEW

  5. GM5286400Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Gasket (3) - Install NEW

  6. Oil Pump (2) - Install
    7. CAUTION:

    Refer to Fastener Caution .

  7. Oil Pump Bolt (1) - Install and tighten [3x] 8.5 N.m (75 lb in)
  8. Lubricate the bearings inside of the balancer shaft lower housing with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers
  9. GM5286397Courtesy of GENERAL MOTORS COMPANY

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

  10. Lower Crankcase Extension Bolt (2) - Install
  11. Balancer Shaft Bearing Bolt (1, 3) - Install [7x]
  12. Fig 1: Identifying Balancer Shaft Housing Bolts With Tightening Sequence
    GM5028563Courtesy of GENERAL MOTORS COMPANY

    Balancer Shaft Housing Bolt - Tighten in sequence [7x] 15 N.m (11 lb ft)

  13. GM5336144Courtesy of GENERAL MOTORS COMPANY

    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. GM5336109Courtesy of GENERAL MOTORS COMPANY
    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 to 15 N.m (11 lb ft)
  18. GM5108915Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Screen (2) - Install - Oil Pump Screen Replacement 

  19. GM5111486Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Oil Separator Drain Pipe (1) - Install - Positive Crankcase Ventilation Oil Separator Drain Pipe Replacement 

  20. GM5285836Courtesy of GENERAL MOTORS COMPANY

    Retainer (3) - Install [2x]

  21. Engine Oil Level Indicator Control Module Wiring Harness (1) @ Oil Pump Flow Control Solenoid Valve (2) - Connect
  22. Lower Oil Pan - Install - Lower Oil Pan Replacement 
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