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Home >> GMC >> 2019 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.5L (LCV)) >> Repair Instructions - On Vehicle >> Intake Manifold Replacement >> Removal Procedure

Removal Procedure

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  1. GM4363885Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover (3) - Remove - Intake Manifold Cover Replacement 

  2. GM4362759Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (2) - Remove - Air Cleaner Outlet Duct Replacement

  3. GM4338170Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Hose (1) - Remove - Positive Crankcase Ventilation Hose/Pipe/Tube Replacement 

  4. GM4360322Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Canister Purge Solenoid Valve (1) - Remove - Evaporative Emission Canister Purge Solenoid Valve Replacement

  5. GM4376306Courtesy of GENERAL MOTORS COMPANY

    Throttle Body Assembly (2) - Remove - Throttle Body Assembly Replacement

  6. GM4377372Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank Inlet Hose (3)@Engine Coolant Air Bleed Pipe - Remove - Engine Coolant Air Bleed Pipe Replacement (LCV)

  7. GM5409342Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness (1)@Intake Manifold - Unclip [2x]

  8. GM4364603Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Disconnect

  9. Electrical Connector (2) - Disconnect
  10. Electrical Connector (3) - Disconnect
  11. Engine Wiring Harness (4) - Reposition away
  12. GM5156908Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1)@Intake Manifold - Remove [2x]

  13. Raise the vehicle. Lifting and Jacking the Vehicle
  14. GM5156918Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1)@Intake Manifold - Remove [2x]

  15. GM4340592Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The intake manifold bolts are retained in the intake manifold. Fully loosen the bolts until the threads are disengaged from the cylinder head.

    Intake Manifold Bolt (1) - Loosen

  16. Lower the vehicle. Lifting and Jacking the Vehicle
  17. GM5409389Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Valve Bolt (1) - Remove [2x]

  18. Remove the positive crankcase ventilation valve - secondary (2).
  19. Remove the positive crankcase ventilation valve - fresh (3).
  20. NOTE:

    Inspect the O-ring and replace if necessary.

  21. Positive Crankcase Ventilation Valve Seal (4) - Remove and DISCARD [2x]
  22. GM4340592Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Bolt (2) - Loosen [5x]

  23. Intake Manifold (3) - Reposition away
  24. GM4093213Courtesy of GENERAL MOTORS COMPANY

    Fuel Injection Fuel Rail Fuel Pressure Sensor (3) - Remove - Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement

  25. GM5411144Courtesy of GENERAL MOTORS COMPANY

    Rotate the intake manifold (1) approximately 180 degrees so that the bottom is facing up.

  26. Intake Manifold (1) - Remove
  27. GM4340698Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Gasket (1) - Remove and DISCARD

  28. Clean and inspect the intake manifold. Intake Manifold Cleaning and Inspection