Cooling System Specifications Lexus ES XV10

ES300 & SC300

1. Ensure engine is cool. Remove radiator cap. Slowly add coolant until system is full. Install radiator cap. Check coolant level at coolant reservoir tank, and add if necessary.
2. Start engine and allow it to idle for 5 minutes. Check system for leaks. Allow engine to cool. Remove radiator cap. Check coolant level, and add if necessary.

LS400 & SC400

1. Ensure all drain cocks are closed. Remove fill plug from coolant inlet housing. Turn ignition and A/C blower fan on. Adjust temperature control to highest setting. Ensure heater valve lever, in engine compartment, is at 2 o'clock position.
2. Slowly add coolant mixture through coolant inlet housing until system is full. Install fill plug with NEW gasket, and tighten to 33 ft. lbs. (44 N.m). Slowly add more coolant mixture at coolant reservoir tank. Start engine, and let it idle for at least 10 minutes.
3. Add more coolant mixture to coolant reservoir tank to just below overflow pipe. Bring engine speed to 2000-3000 RPM for 5 minutes. Recheck coolant level at coolant reservoir tank, and add as necessary. Recheck system for leaks.

COOLING SYSTEM SPECIFICATIONS