INTAKE SYSTEM


  1. CONSTRUCTION


    1. The intake manifold is made of lightweight plastic for weight reduction.

    2. A rotary type intake air control valve, which has less intake air resistance, is provided in the intake manifold. The valve opens and closes to change the effective length of the intake manifold in 2 stages. The intake air control valve is activated by the Acoustic Control Induction System (ACIS).

    3. A vacuum type actuator for the ACIS is provided to the intake manifold. The ACIS actuator is laser-welded onto the intake air chamber. The actuator opens and closes the intake air control valve by the vacuum pressure controlled by the VSV for ACIS.

    4. A VSV for ACIS is provided on the intake manifold. The VSV controls the vacuum applied to the actuator by way of the signal (ACIS) that is output by the ECM.

    5. A mesh type throttle body gasket is used between the throttle body assembly and the intake manifold to improve the flow of air within the intake manifold.

      A00YYBMC02
      *1 Intake Manifold *2 Intake Air Control Valve
      *3 Actuator (for ACIS) *4 Throttle Body Gasket
      *5 VSV (for ACIS) - -
      *a Intake Manifold Cross Section - -

      Tech Tips

      Laser-welding: In laser-welding, a laser-absorbing material (for the intake manifold) is joined to a laser-transmitting material (for the ACIS actuator). Laser beams are then irradiated from the laser-transmitting side. The beams penetrate the laser-transmitting material to heat and melt the surface of the laser-absorbing material. Then, the heat of the laser-absorbing material melts the laser-transmitting material and causes both materials to become welded.