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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Controls And Fuel - 1.0L (L4B L4F L4G LIJ) Or 1.2L (L4H L4K LIF LIH) - Repair Instructions) >> Repair Instructions >> Vacuum Pump 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. GM5392587Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover - Remove

  3. Air Cleaner Assembly - Remove - Air Cleaner Assembly Replacement 
  4. Air Cleaner Outlet Rear Duct - Remove - Air Cleaner Outlet Rear Duct Replacement 
  5. Charge Air Cooler Inlet Air Hose - Remove - Charge Air Cooler Inlet Air Hose Replacement 
  6. GM5392555Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Coolant Return Pipe - Remove - Turbocharger Coolant Return Pipe Replacement (LIH)

  7. GM5392522Courtesy of GENERAL MOTORS COMPANY

    Turbocharger Wastegate Actuator Vacuum Control Solenoid Valve Hose (1) @ Vacuum Pump - Remove

  8. GM5392524Courtesy of GENERAL MOTORS COMPANY

    Vacuum Pump Bolt (1) - Remove [3x]

  9. Vacuum Pump (2) - Remove
  10. Vacuum Pump Gasket (3) - Remove and DISCARD