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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.4L) >> Repair Instructions - Off Vehicle >> Intake Manifold Removal

Intake Manifold Removal

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Oil Fill Cap Components
    GM2206984Courtesy 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 (1).
  2. Remove the intake manifold cover (2).
  3. Remove the oil fill tube assembly (3) and O-ring (4).
    4. Fig 2: EVAP Canister Valve, Tube & MAP Sensor
    GM2206985Courtesy of GENERAL MOTORS COMPANY
  4. Remove the evaporative (EVAP) emission canister valve tube (1).
  5. Remove the EVAP canister valve (2).
  6. Remove the MAP sensor (3).
    7. Fig 3: Throttle Body
    GM2206986Courtesy of GENERAL MOTORS COMPANY
  7. Remove the throttle body (1).
    8. Fig 4: Fuel Pump Components
    GM2206988Courtesy of GENERAL MOTORS COMPANY
  8. Remove the fuel pump cover nut, bolts, and cover (3).
    9. NOTE:

    The low pressure fuel pipe used is model dependent.

  9. Remove the bracket bolt and low pressure fuel pipe assembly (1).
  10. Remove the fuel pump insulator (2).
    11. Fig 5: High Pressure Fuel Line
    GM2206987Courtesy of GENERAL MOTORS COMPANY
    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.

  11. Remove and discard the fuel feed intermediate pipe (1).
    12. Fig 6: Fuel Pump Assembly Components
    GM2206989Courtesy of GENERAL MOTORS COMPANY
  12. Remove the fuel pump assembly (4).
  13. Remove and discard the fuel pump housing O-ring (2) and gasket (3).
  14. Remove the fuel pump roller lifter (1).
    15. Fig 7: Fuel Rail Harness Connector Bracket And Intake Manifold Insulator
    GM2512856Courtesy of GENERAL MOTORS COMPANY
  15. Remove the fuel rail harness connector bracket bolt (1) and intake manifold insulator bolt.
  16. Remove the intake manifold insulator (2).
    17. Fig 8: Intake Manifold Retaining Nuts And Bolts
    GM2591683Courtesy of GENERAL MOTORS COMPANY
  17. Remove the intake manifold retaining nuts and bolts.
  18. Remove the intake manifold (1).
  19. If the intake manifold needs to be replaced, transfer the throttle body to the new intake manifold.
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