Engine Cooling System: Coolant: Replacement

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 radiator drain plug (on the right side of the radiator lower tank) and engine drain plug on the engine coolant drain union (on the left rear of the cylinder block), and drain the coolant.
  
  Fig 1: Locating Radiator & Engine Drain Plugs for Loosening
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Close the drain plugs.
  1. Torque: 12.7 N.m (130 kgf.cm, 9 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 manufactures 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 (preferably demineralized water or distilled water).
    Capacity:
    
    Fig 2: Displaying Coolant Capacity For M/T & A/T
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the radiator cap.
3. Start the engine, and bleed the cooling system.
4. Refill the engine coolant reservoir with coolant until it reaches "FULL" line.
Check for coolant leaks.
Check engine coolant specific gravity correctly.