Section 488 (Coolant): Coolant: Replacement

WARNING: This page is about a different car, the 2004 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

DRAIN ENGINE COOLANT
1. Remove the radiator cap.
  CAUTION: To avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure.
2. Loosen the 2 drain plugs (for the engine and radiator), and drain the coolant.
  
  Fig 1: Removing Drain Plugs
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  HINT:
  
  To prevent the coolant from spraying over the cylinder block, connect the rubber hose (inside diameter 6 - 8 mm (0.24 - 0.31 in.)) in the market to the union pipe under the drain plug.
3. Close the drain plugs.
  1. Torque: 30 N.m (300 kgf.cm, 22 ft.lbf) for engine
FILL ENGINE COOLANT
1. Slowly fill the system with coolant.
  - Use of improper coolants may damage engine cooling system.
  - Use "Toyota Long Life Coolant" or equivalent and mix it with plain water according to the manufacture's directions.
  - Use of the coolant which includes more than 50% [freezing protection down to -35°C (-31°F)] or 60% [freezing protection down to -50°C (-58°F)] of ethylene -glycol is recommended, but not more than 70%.
  NOTE:
  - Do not use an alcohol type coolant or plain water alone.
  - The coolant should be mixed with plain water (preferable demineralized water or distilled water).
    
    Capacity (w/ Heater): 7.5 liters (7.9 US qts, 6.6 Imp. qts)
2. Install the radiator cap.
3. Start the engine, and bleed the cooling system.
4. Refill the reservoir with coolant until it reaches the "FULL" line.
CHECK ENGINE COOLANT FOR LEAKS
CHECK ENGINE COOLANT SPECIFIC GRAVITY CORRECTLY