The coolant level should be between the "LOW" and "FULL" lines.
If the level is low, check for leaks and add coolant to the full mark.
2. Check the quality of the engine coolant.
There should be no excessive rust or scale deposits around the filler cap or on the radiator filler hole; the coolant must be free of oil. If excessive contamination occurs, replace the coolant.
3. Replace the coolant.
a) Remove the radiator filler cap.
b) Drain the coolant through the radiator and engine drain cocks. (The engine drain cock is located on the left rear side of the engine block).
c) Close the drain valves.
- Tightening torque - 29 Nm
[The material is republished from an online website TOYOTAMAN]
d) Fill the system with coolant. Use a quality brand of ethylene glycol based coolant, mixed according to the manufacturer's directions.
Note: Do not use alcohol-based coolants. Coolant should be mixed with distilled water.
- Coolant volume (with one heater) — 9- 9.5 l
d) Replace the radiator filler plug.
e) Warm up the engine and check for leaks.
Direction of coolant flow
g) Check the coolant level again and add coolant if necessary.