Installation (GS430, LS430 & LX470)
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 complete installation reverse removal procedure. Refill cooling system and check for leaks. Check ignition timing. See ON-VEHICLE ADJUSTMENTS article.