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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 325 (Engine Mechanical - 2.0L (LSY) - Repair Instructions) >> Repair Instructions >> Lower Crankcase Extension Replacement >> 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. GM5068106Courtesy of GENERAL MOTORS COMPANY

    Oil Level Indicator Tube (1) - Remove - Oil Level Indicator Tube Replacement 

  2. GM5316589Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    It is not necessary to discharge the air conditioning system. Remove the air conditioning compressor from the engine and set aside.

    Air Conditioning Compressor (3) - Remove and position aside - Air Conditioning Compressor Replacement (LSY)

  3. GM5125803Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Fluid Cooling Exchanger (1) - Remove - Automatic Transmission Fluid Cooling Exchanger Replacement (LSY, without V03) , or Automatic Transmission Fluid Cooling Exchanger Replacement (LSY, RWD, with V03)

  4. GM5123304Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler (2) - Remove - Engine Oil Cooler Replacement (LSY)

  5. GM5137005Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect

  6. Engine Wiring Harness Bracket Bolt (2) - Remove
  7. GM5136171Courtesy of GENERAL MOTORS COMPANY

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

  8. GM5111486Courtesy of GENERAL MOTORS COMPANY

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

  9. GM4968275Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Flex Plate (1) - Remove - Automatic Transmission Flex Plate Replacement 

  10. Crankshaft Rear Oil Seal Housing - Remove - Crankshaft Rear Oil Seal Housing Replacement 
  11. GM5027532Courtesy of GENERAL MOTORS COMPANY

    Balance Chain (1) - Remove - Balancer Chain Replacement 

  12. Front Wheel Drive Intermediate Shaft Housing Seal - Remove - Front Wheel Drive Intermediate Shaft Housing Replacement
  13. Front Differential Carrier Assembly - Remove - Front Differential Carrier Assembly Replacement (LSY)
  14. GM5335749Courtesy of GENERAL MOTORS COMPANY

    Engine Mount Bracket Bolt-Left Side (1) - Remove

  15. GM5026208Courtesy of GENERAL MOTORS COMPANY

    Oil Filter Bypass Valve (1) - Remove

  16. GM5129462Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Take note that there are different bolt lengths.

    Engine Block Lower Structural Extension Outer Bolts (1, 2, 3, 4, 5) - Remove [15x]

  17. GM5026209Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Take note that there are different bolt lengths.

    Engine Block Lower Structural Extension Inner Bolts (1, 2, 3) - Remove [3x]

  18. GM5026315Courtesy of GENERAL MOTORS COMPANY

    Loosen the engine block lower structural extension carefully from the engine block, use a suitable tool at the location as shown to pry (1, 2, 3).

  19. GM5026210Courtesy of GENERAL MOTORS COMPANY

    Lower Crankcase Extension (3) - Remove

  20. Clean, inspect and overhaul the lower crankcase extension as needed Lower Crankcase Extension Overhaul