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Home >> GMC >> 2021 >> Terrain SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.5L (LYX) - Repair Instructions >> Repair Instructions >> Vacuum Pump Assembly Replacement >> Removal Procedure

Removal Procedure

  1. Power Brake Booster Vacuum Pipe @ Vacuum Pump Assembly - Disconnect - Power Brake Booster Vacuum Pipe Replacement (LYX)
  2. Charge Air Cooler Outlet Air Tube @ Throttle Body - Disconnect - Charge Air Cooler Outlet Air Tube Replacement 
  3. GM4853106Courtesy of GENERAL MOTORS COMPANY

    Remove the vacuum pump bolts (1).

  4. GM4853107Courtesy of GENERAL MOTORS COMPANY

    Remove the vacuum pump (1).

  5. Remove and DISCARD the vacuum pump gasket (2).
  6. Inspect the vacuum pump seal (3) and replace if necessary. Vacuum Pump Seal Replacement 
  7. GM4853108Courtesy of GENERAL MOTORS COMPANY

    If replacing the vacuum pump, turn the NEW vacuum pump shaft (1) to match the position of the OLD vacuum pump shaft to allow proper alignment with the engine camshaft.