Installation (GS300 & IS300)
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Lexus SC 430, 2003 Lexus RX 300, 2003 Lexus LX 470, 2003 Lexus LS 430, and 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
To install, reverse removal procedure using NEW gaskets. Tighten bolts/nuts to specification. See TORQUE SPECIFICATIONS . If using original hose clamps on water by-pass hoses, install hose clamps as illustrated. See Fig 4. Fill cooling system.
Fig 1: Accelerator Position Sensor Retaining Screw Installation Sequence & Positioning Of Tabs On Washer Plate (GS300 & IS300)