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Home >> Chevrolet >> 2021 >> Blazer RS, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.0L (LSY)) >> Repair Instructions >> Lower Crankcase Extension Replacement >> Removal Procedure

Removal Procedure

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  1. GM5719662Courtesy of GENERAL MOTORS COMPANY

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

  2. Oil Level Indicator Tube Seal - Remove and DISCARD
  3. GM5043312Courtesy of GENERAL MOTORS COMPANY

    Water Pump (1) - Remove - Electric Engine Coolant Pump Replacement

  4. GM5070402Courtesy 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 (4) - Remove and position aside - Air Conditioning Compressor Replacement (LSY)

  5. GM5111993Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Water Pump Bracket (2) - Remove - Auxiliary Water Pump Bracket Replacement (LSY)

  6. GM5035162Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler (1) - Remove - Engine Oil Cooler Replacement (LSY)

  7. GM5043777Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Thermostat Housing Inlet Pipe (2) - Remove - Engine Coolant Thermostat Housing Inlet Pipe Replacement (LSY)

  8. GM5112884Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Wiring Harness Connector (2) - Disconnect

  9. GM5108915Courtesy of GENERAL MOTORS COMPANY

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

  10. GM5111486Courtesy of GENERAL MOTORS COMPANY

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

  11. GM4968275Courtesy of GENERAL MOTORS COMPANY

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

  12. GM5027532Courtesy of GENERAL MOTORS COMPANY

    Balance Chain (1) - Remove - Balancer Chain Replacement 

  13. GM5026208Courtesy of GENERAL MOTORS COMPANY

    Oil Filter Bypass Valve (1) - Remove

  14. GM5112272Courtesy of GENERAL MOTORS COMPANY

    Balancer Shaft Bearing Bolt (1) - Remove

  15. Lower Crankcase Extension Bolt (2) - Remove [2x]
  16. GM5112292Courtesy of GENERAL MOTORS COMPANY

    Lower Crankcase Extension Bolt (1) - Remove [9x]

  17. Lower Crankcase Extension Bolt (2) - Remove [4x]
  18. Lower Crankcase Extension (3) - Remove
  19. Clean, inspect and overhaul the lower crankcase extension as needed Lower Crankcase Extension Overhaul