OEM 2001 Toyota Highlander Throttle Body

2001 Toyota Highlander Parts Questions & Experts Answers

• Q: How to service and repair the throttle body on 2001 Toyota Highlander?

  A: Service of the throttle body begins by draining coolant before removing both the air cleaner cap with hose. The service and repair of the throttle body assembly [22210/98-40] requires disconnecting the throttle position sensor connector and ISC valve connector, the vacuum hose, and two water bypass hoses before separating the accelerator control cable assembly [78180P] when removing the throttle body assembly [22210/98-40] followed by removing three bolts securing it to the intake manifold and the throttle body gasket. First remove the throttle position sensor [89452G / 98-40] after undoing its two screws then proceed to remove the throttle body idle speed control valve assembly [22270 / 98-40] with three screw removals. Start by installing the idle speed control valve assembly [22270 / 98-40] with its new gasket then position the throttle position sensor [89452G / 98-40] with two screws after rotating the sensor 450 degrees left to reach the closed position before screwing the two screws when the sensor faces 450 degrees right. The throttle body assembly [22210/98-40] requires installation with a new gasket against the intake manifold followed by securing three bolts at 30 N.m (306 kgf.cm, 22 ft.lbf) while connecting two water bypass hoses and the ISC valve connector and vacuum hose to the throttle body. Proceed by adding coolant before checking for leakages.