2. Connect the disconnected coolant hoses to the appropriate fittings.
3. Install the lower casing of the engine compartment.
4. Turn off the air conditioner and heater.
Attention. To ensure the cooling capacity of the charge air cooling system, it is absolutely necessary to observe the following work steps.
5. Fill in coolant slowly up to the upper mark «max» on the expansion tank, as shown in the figure below.
6. Close the cover of the expansion tank.
7. Start the engine and keep the engine speed at approx. 3 minutes. 2000 rpm
8. Leave the engine running until the additional cooling fan -V7- has run.
Attention. When the surge tank is opened, hot steam may escape. Wear safety goggles and protective clothing to avoid injury to eyes and burns. After closing the cork with a rag, carefully loosen it.
9. Check the coolant level with the equalizing tank closed and, if necessary, top up the missing coolant at a cold engine. If the engine is warmed up to operating temperature, then the coolant level should be at the max mark, and for a cold engine, the level should be in the middle between the min and max marks.