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Home >> Cadillac >> 2021 >> CT5 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 3.0L (LGY)) >> Repair Instructions >> Oil Pump Flow Control Solenoid Valve Harness Replacement >> Removal Procedure

Removal Procedure

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  1. Raise and support the vehicle. Lifting and Jacking the Vehicle
  2. Drain the engine oil into a suitable container. Engine Oil and Oil Filter Replacement 
  3. GM5518424Courtesy of GENERAL MOTORS COMPANY

    Lower Oil Pan Bolt (1) - Remove [ 13x ]

  4. Lower Oil Pan (2) - Remove and DISCARD
  5. Inspect the upper oil pan sealing surfaces for damage. Oil Pan Overhaul (RWD) , or Oil Pan Overhaul (AWD) 
  6. GM5519616Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Flow Control Solenoid Valve Harness (3) @ Oil Pump Flow Control Solenoid Valve (4) - Disconnect

  7. NOTE:

    Mechanics wire is used to guide the harness into place during installation, and must be of sufficient length to pass through the engine front cover from inside the oil pan.

  8. Securely attach mechanics wire to the end of the oil pump flow control solenoid valve harness (1).
  9. Oil Pump Flow Control Solenoid Valve Harness (3) @ Retainer (2) - Unclip
  10. Oil Pump Flow Control Solenoid Valve Harness (3) @ Crankshaft Oil Deflector (1) - Unclip
  11. GM4260770Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness (1) - Disconnect

  12. Oil Pump Flow Control Solenoid Valve Harness Bolt (2) - Remove
  13. NOTE:

    Ensure the mechanics wire stays attached to the end of the harness during removal, and remains in place within the engine after harness removal. It will be used to guide the harness into place during installation.

    NOTE:

    The retaining clips attached to the oil pump flow control solenoid harness are used for initial production only and should be removed and discarded.

  14. Remove the oil pump flow control solenoid valve harness (3) through the engine front cover.