SC 400 V8-4.0L (1UZ-FE) (1997)
3. Slowly pour coolant into the radiator reservoir until it is "FULL".
4. Install the radiator cap.
5. Bleed the cooling system as follows:
(a) Start the engine, and open the heater water valve.
(b) Maintain the engine speed at 2,000-2,500 rpm, and warm up the engine.
(c) Stop the engine, and wait until the engine coolant cools down.
(d) Refill coolant into the reservoir until it is "FULL"
6. Check engine for coolant leaks.