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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 213 (Engine Mechanical - 2.0L (LTG) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Intake Manifold Removal

Intake Manifold Removal

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Intake Manifold And Components
    GM2783447Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Never attempt to remove the intake manifold from a hot engine, allow the engine to cool to ambient temperature. The intake manifold can be damaged if it is removed when the engine is hot.

  1. Remove the oil fill cap (6).
    2. WARNING:

    The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.

  2. Remove the fuel pump insulator (1).
  3. Remove the intake manifold cover bolt (5).
  4. Remove the intake manifold cover (4).
  5. Remove the upper intake manifold bracket bolt (3).
  6. Remove the upper intake manifold bracket (3).
    7. Fig 2: Evap Canister Valve And Valve Pipe Assembly
    GM2783450Courtesy of GENERAL MOTORS COMPANY
  7. Remove the EVAP canister valve (1).
  8. Remove the EVAP canister valve pipe assembly (2).
    9. Fig 3: Radiator Inlet Pipe/Hose Assembly And Bolt
    GM2783458Courtesy of GENERAL MOTORS COMPANY
  9. Remove the radiator inlet pipe bolt (1).
  10. Disconnect the radiator inlet hose from the water outlet assembly, and remove the radiator inlet pipe and hose assembly (2).
    11. Fig 4: Throttle Body, Bolts And Seal
    GM2783455Courtesy of GENERAL MOTORS COMPANY
  11. Remove the throttle body bolts (3).
  12. Remove the throttle body (1) and seal (2).
    13. Fig 5: Fuel Pump Cover And Fuel Feed Pipe
    GM2783461Courtesy of GENERAL MOTORS COMPANY
  13. Remove the fuel pump cover bolts (1) and fuel pump cover (2).
    14. WARNING:

    Fuel that flows out at high pressure can cause serious injury to the skin and eyes. ALWAYS depressurize the fuel system before removing components that are under high fuel pressure.

  14. Remove the fuel feed pipe stud (3) and the fuel feed pipe (4).
    15. Fig 6: Fuel Pump Assembly Components
    GM2783766Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.

  15. Remove the fuel pump insulator (6).
  16. Remove and discard the fuel feed intermediate pipe (7).
    17. CAUTION:

    Alternately loosen the fuel pump bolts one turn at a time until the pump is fully disengaged from fuel pump lifter follower. Trying to remove the pump bolts without even side-to-side loosening may result in pump plunger damage

  17. Remove and discard the fuel pump bolts (5).
  18. Remove the fuel pump (4), O-ring (2), and gasket (3). Discard the O-ring and gasket.
  19. Remove the valve lifter follower (1).
    20. Fig 7: MAP Sensor And Bolt
    GM2783769Courtesy of GENERAL MOTORS COMPANY
  20. Remove the MAP sensor (2) and bolt (1).
    21. Fig 8: Intake Manifold, Bolts And Gasket
    GM2783771Courtesy of GENERAL MOTORS COMPANY
  21. Remove the intake manifold retaining bolts (3, 4).
  22. Remove the intake manifold (2) and gasket (1).
  23. If the intake manifold needs to be replaced, transfer the throttle body to the new intake manifold.
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