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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 1.2L (LIH)) >> Repair Instructions >> Engine Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Drain the cooling system. Cooling System Draining and Filling (GE-47716) , or Cooling System Draining and Filling (Static)
  2. Drain the engine oil. Engine Oil and Oil Filter Replacement 
  3. Recover the refrigerant. Refrigerant Recovery and Recharging
  4. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  5. GM5390617Courtesy of GENERAL MOTORS COMPANY

    Engine Control Module Bracket - Remove - Engine Control Module Bracket Replacement

  6. GM5258160Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Air Bleed Hose - Remove - Engine Coolant Air Bleed Hose Replacement

  7. GM5380931Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank Outlet Hose - Remove - Radiator Surge Tank Outlet Hose Replacement (LIH)

  8. GM5209007Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Assembly - Remove - Air Cleaner Assembly Replacement

  9. GM5369644Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Rear Duct - Remove - Air Cleaner Outlet Rear Duct Replacement

  10. GM5390620Courtesy of GENERAL MOTORS COMPANY

    Fuel Feed Front Pipe - Remove - Fuel Feed Front Pipe Replacement

  11. Evaporative Emission Canister Purge Tube - Remove - Evaporative Emission Canister Purge Tube Replacement
  12. Evaporative Emission Pipe - Remove - Evaporative Emission Pipe Replacement (Fuel Tank Side) , or Evaporative Emission Pipe Replacement (Underbody Side)
  13. Charge Air Cooler Inlet Air Hose - Remove - Charge Air Cooler Inlet Air Hose Replacement
  14. Battery Tray - Remove - Battery Tray Replacement
  15. GM5278925Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Junction Block - Remove - Engine Wiring Harness Junction Block Replacement

  16. GM5278927Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness (2) - Remove

  17. GM5389446Courtesy of GENERAL MOTORS COMPANY

    Radiator Inlet Hose - Remove - Radiator Inlet Hose Replacement (LIH)

  18. GM5445098Courtesy of GENERAL MOTORS COMPANY

    Ground Nut (1) - Remove

  19. Ground Cable (2) - Remove
  20. Transmission Control Module Wiring Harness (4) - Disconnect
  21. Engine Wiring Harness Connector (5) - Disconnect
  22. Wiring Harness Retainer (3) - Disconnect [3x]
  23. GM5258108Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose - Remove - Heater Outlet Hose Replacement (LIH)

  24. GM5380926Courtesy of GENERAL MOTORS COMPANY

    Heater Inlet Hose - Remove - Heater Inlet Hose Replacement (LIH)

  25. GM5210540Courtesy of GENERAL MOTORS COMPANY

    Automatic Transmission Range Selector Lever Cable Bolt (1) - Remove

  26. Slide the retainer lock (2) forward to expose the cable adjustment retainer (3).
  27. Using a suitable tool, raise the cable adjustment retainer (3) to the unlock position.
  28. Automatic Transmission Range Selector Lever Cable (4) @ Range Selector Lever Cable Lever - Remove
  29. Transmission Fluid Cooler Inlet Pipe - Remove - Transmission Fluid Cooler Inlet Pipe Replacement (LIH)
  30. Transmission Fluid Cooler Outlet Pipe - Remove - Transmission Fluid Cooler Outlet Pipe Replacement (LIH)
  31. GM5389469Courtesy of GENERAL MOTORS COMPANY

    Charge Air Cooler Outlet Air Hose - Remove - Charge Air Cooler Outlet Air Hose Replacement

  32. Radiator Outlet Hose - Remove - Radiator Outlet Hose Replacement (LIH)
  33. GM5275834Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Compressor - Remove - Air Conditioning Compressor Replacement (LIH)

  34. GM5223634Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Muffler - Remove - Exhaust Front Muffler Replacement (FWD)

  35. Radiator - Secure @ Upper Tie Bar
  36. GM5262982Courtesy of GENERAL MOTORS COMPANY

    Transmission Mount Strut - Remove - Transmission Mount Strut Replacement

  37. GM5207578Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Cradle - Remove - Drivetrain and Front Suspension Cradle Removal and Installation (FWD)

  38. GM3275440Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The drive shaft remains in the wheel hub.

    Right Front Wheel Drive Shaft (2) @ Transmission - Disconnect - Front Wheel Drive Half Shaft Replacement - Right Side (FWD)

  39. Secure the right drive shaft (2) to the hoist (1), using a suitable strap (3).
  40. GM4087962Courtesy of GENERAL MOTORS COMPANY

    Left Front Wheel Drive Shaft (1) @ Transmission - Disconnect - Front Wheel Drive Half Shaft Replacement - Left Side

  41. Secure the left drive shaft (1) to the hoist (3), using a suitable strap (3).
  42. Propulsion System Lift Table - Install - Propulsion System Lift Table 
  43. Engine Mount - Remove - Engine Mount Replacement 
  44. Transmission Mount - Remove - Transmission Mount Replacement
  45. NOTE:

    While lifting the engine, check to ensure all electrical connections and hoses are disconnected, clearance is maintained between the engine assembly and other vehicle components.

    NOTE:

    Ensure adequate clearance between the powertrain assembly and surrounding components is maintained during powertrain removal.

  46. Slowly lower the support table until the powertrain assembly is clear of the vehicle.
  47. Separate the transmission from the engine. Transmission Replacement (LIH)
  48. Transfer components as necessary.