LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 360 (Engine Mechanical - 2.5L (LCV)) >> Repair Instructions - On Vehicle >> Intake Manifold Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove Intake Manifold Cover. Refer to Intake Manifold Cover Replacement 
  2. Fig 1: Positive Crankcase Ventilation Hose
    GM4338170Courtesy of GENERAL MOTORS COMPANY
  3. Remove Positive Crankcase Ventilation Hose (1). Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement 
  4. Remove Fuel Feed Front Pipe. Refer to Fuel Feed Front Pipe Replacement
  5. Remove Air Cleaner Outlet Duct. Refer to Air Cleaner Outlet Duct Replacement
  6. Remove Evaporative Emission Canister Purge Solenoid Valve. Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement
  7. Remove Throttle Body Assembly. Refer to Throttle Body Assembly Replacement
  8. Disconnect Engine Coolant Air Bleed Hose @ Engine Coolant Air Bleed Pipe. Refer to Engine Coolant Air Bleed Pipe Replacement (LCV)
  9. Fig 2: Engine Wiring Harness And Electrical Connectors
    GM4364603Courtesy of GENERAL MOTORS COMPANY
  10. Disconnect Electrical Connector (1)
  11. Disconnect Electrical Connector (2)
  12. Disconnect Electrical Connector (3)
  13. Reposition Engine Wiring Harness (4) away
  14. Raise the vehicle. Refer to Lifting and Jacking the Vehicle
  15. Fig 3: Intake Manifold And Bolts
    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.

  16. Loosen Intake Manifold Bolt (1)
  17. Lower the vehicle. Refer to Lifting and Jacking the Vehicle
  18. Fig 4: Wiring Harness And Retainers
    GM4663664Courtesy of GENERAL MOTORS COMPANY
  19. Remove the wiring harness retainers (1), then reposition the harness (2) as needed.
  20. Loosen Intake Manifold Bolts (2) (Qty: 5)
  21. Reposition Intake Manifold (3)
  22. Remove Fuel Injection Fuel Rail Fuel Pressure Sensor. Refer to Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement
  23. Remove Intake Manifold (3)
  24. Fig 5: Intake Manifold Gasket
    GM4340698Courtesy of GENERAL MOTORS COMPANY
  25. Remove and DISCARD Intake Manifold Gasket (1)
  26. Clean and inspect the intake manifold. Refer to Intake Manifold Cleaning and Inspection