OEM 2008 Toyota Corolla Throttle Body

2008 Toyota Corolla Throttle Body Parts Q&A

• Q: How to remove the throttle body on 2008 Toyota Corolla?

  A: Begin the throttle body removal of 1ZZ-FE control system by disconnecting the battery negative terminal. Start by draining the engine coolant followed by the removal of the cylinder head cover No. 2 through the process of unfastening 2 nuts and 2 clips. The air cleaner cap sub-assembly removal involves disconnecting the mass air flow meter connector designated as [A] and the VSV connector marked [B] while using clamps [C] to release the 2 wire harnesses. Remove the VSV connections of fuel vapor feed hose No. 1 [D] and fuel vapor feed hose No. 3 [E] as well as ventilation hose No. 1 from the cylinder head cover. Remove the air cleaner cap while disconnecting the air cleaner hose No. 1 by loosening its clamp bolt. The throttle body removal process begins with disconnecting the throttle control motor connector followed by the removal of water by-pass hose [B] as well as water by-pass hose No. 2 [C] which are both detached from the throttle body. Complete the removal by uninstalling both bolts and two nuts that fasten the throttle body before removing its integral intake manifold gasket.