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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 2.5L (LCV)) >> Repair Instructions - On Vehicle >> Intake Manifold Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Intake Manifold Cover - Remove - Intake Manifold Cover Replacement 
  2. GM4338170Courtesy of GENERAL MOTORS COMPANY

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

  3. Fuel Feed Front Pipe - Remove - Fuel Feed Front Pipe Replacement
  4. Air Cleaner Outlet Duct - Remove - Air Cleaner Outlet Duct Replacement
  5. Evaporative Emission Canister Purge Solenoid Valve - Remove - Evaporative Emission Canister Purge Solenoid Valve Replacement
  6. Throttle Body Assembly - Remove - Throttle Body Assembly Replacement
  7. Engine Coolant Air Bleed Hose @ Engine Coolant Air Bleed Pipe - Disconnect - Engine Coolant Air Bleed Pipe Replacement (LCV)
  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. Raise the vehicle. Lifting and Jacking the Vehicle
  13. 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

    Lower the vehicle. Lifting and Jacking the Vehicle

  14. GM4663664Courtesy of GENERAL MOTORS COMPANY

    Remove the wiring harness retainers (1), then reposition the harness (2) as needed.

  15. GM4340592Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Bolt (2) - Loosen (Qty: 5)

  16. Intake Manifold (3) - Reposition
  17. Fuel Injection Fuel Rail Fuel Pressure Sensor - Remove - Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement
  18. Intake Manifold (3) - Remove
  19. GM4340698Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Gasket (1) - Remove and DISCARD

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