Contents: Coolant level control ⬇ Checking for leaks in the cooling…⬇ Checking the Fan/Generator Drive Belt ⬇ Replacing the coolant ⬇
1. Perform the following procedures at the intervals given in Section "Maintenance" at the beginning of this Guide.
Coolant level control
2. With the engine cold, check that the coolant level is approximately at the "cold" mark. On models with a separate expansion tank, the mark is on the outside of the tank, but on other models, you must remove the radiator sealing cap. In the latter case, some models have a cold level plate, or the level should be 50.0 mm below the top of the filler neck.
3. Top up the level as needed. If possible, check the density of the antifreeze before adding additional coolant (photo).
4. If regular refilling is required, check for leaks in the system.
5. Do not add cold water to the engine until it has cooled down, this may cause cracks in the cylinder head or block.
6. Finally, install the pressure cap.
Checking for leaks in the cooling system
7. Inspect all coolant hoses.
8. Check for signs of leaks from the radiator, water pump, expansion tank (where is available) and thermostat.
Checking the Fan/Generator Drive Belt
9. Check the condition of the drive belt along its entire length.
10. Check the drive belt tension as described in Chapter 13.
Replacing the coolant
11. Drain and flush the cooling system as described in Chapters 3 and 4.
12. Fill the system with new antifreeze mixture as described in Chapter 5.
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