There should be no significant rust or scale deposits on the surface of the radiator filler neck or plug. The coolant should be free of oil. If the fluid is contaminated, replace it.
3. Replace the coolant.
a) Remove the cap from the radiator or expansion tank.
b) Drain the liquid from the radiator and from the engine block through the drain cocks (the engine drain cock is located on the left side of the engine).
c) Close the drain taps.
d) Fill the system with fresh coolant.
Warning: Use only commercially available ethylene glycol based antifreeze fluids; mix ethylene glycol with water according to the manufacturer's recommendations; in addition, these liquids must have an anti-corrosion effect.
Cooling system capacity (together with the heater)
- with front heater - 9.1 l
- with front and rear heaters - 10.1 l
d) Place the cap on the radiator or expansion tank.
e) Start the engine and check for leaks.
g) Check the fluid level and top up if necessary.