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2.7.1. Replacement of cooling liquid

Drain branch pipe of a radiator

The drain branch pipe of a radiator is specified by an arrow.

Discharge of the cooling system

PERFORMANCE ORDER

Prevention

To make discharge of cooling liquid only on the cold engine. Cooling liquid is very toxic.


1. To uncover a jellied mouth of a broad tank for what to turn it clockwise before the first fixing. To wait until pressure in system decreases, then to press a cover down and to turn counterclockwise before the second fixing, then to remove it.
2. To install the corresponding container under the left side of a radiator.
3. To unscrew a drain stopper and to merge cooling liquid.
4. For full and bystry discharge of liquid from the cooling system to unscrew air admission screws. On all engines, except 1,4 l, air admission screws (are specified by shooters in the drawing at the left) are located in a cover and a casing of the thermostat. On engines of 1,4 l air admission screws (the screw is specified by an arrow in the drawing on the right) are located in a casing of the thermostat and in a hose of a supply of cooling liquid to a head of the block of cylinders.
5. In addition on engines of 2,0 l XU10J4 there is an air admission screw located in a hose of a supply of cooling liquid behind a head of the block of cylinders.
6. All models also have the screw (is specified by an arrow) an air admission located in the highest left corner of a radiator.
7. To repeatedly place a container under a drain stopper of the block of cylinders, to unscrew a stopper and to merge liquid from the block of cylinders.
8. On engines of 1,4 l the drain stopper is located in the left forward part of the block of cylinders (it is specified by an arrow in the drawing at the left). On engines of 2,0 l the drain stopper is located in the left back part of the block of cylinders (it is specified by an arrow in the drawing on the right).
9. After completion of discharge to wash out the cooling system, directing a pure stream through a radiator and to continue washing until clear water does not begin to appear from an exit of the lower tank of a radiator.

Filling of the cooling system

PERFORMANCE ORDER
1. Before filling of the cooling system to make sure that all hoses and collars in good shape. To pay attention that mix of antifreezes has to be used all the year round for prevention of corrosion. Also to check that a stopper on a radiator and drain traffic jams of the block of cylinders were established into place.
2. To remove a stopper from a broad tank.
3. To unscrew air supply screws in the cooling system.
4. To install the additional tank (it is specified by an arrow) on a broad tank and to slowly fill system. The additional tank has to be installed on a broad tank hermetically that will provide filling of the highest points of the cooling system. In process of filling of the cooling system with liquid as soon as coolant appears, free from air bubbles, from under the air supply screw, gradually, since the lower screws to screw up screws.
5. The additional tank has to be full during all process of filling of system.
6. After filling of the cooling system to tighten all screws and to establish a stopper on a broad tank.
7. To start the engine and to warm up it up to the working temperature then to check the level of cooling liquid and if necessary to bring it to norm.