Cooling system (VW Polo 3)

Fig. 3.22 a. Elements of the cooling system:
1,3 - Bolts; 2 - Front air ducts; 4 - Retainer; 5 - Locking support; 6 - Upper branch pipe; 7 - Radiator; 8 - Fan shroud; 9 - Bracket; 10 - Fan wiring connector; 11 - Lid; 12 - Expansion tank cap; 13, 15 - To the thermostat housing; 14 - Expansion tank; 16 - Lower branch pipe; 17 - Radiator fan; 18 - Rubber washer; 19 - Lower air duct; 10 - Fan thermal switch.

Fig. 3.22 b. Elements of the cooling system (thermostat side):
1, 10 - Fixators; 2.16- Bolts; I 3 - From the bottom of the radiator; 4 - Adapter; 5 - Sealing ring; 6 - Thermostat; 7 - To the expansion tank; 8 - To the radiator; 9 - From the expansion tank; 11 - From the radiator; 12 - Cooling system pump housing; 13 - Seal; 14 - Branch pipe; 15 - Thermostat housing; 17 - Coolant temperature sensor; 18 - Sealing plug; 19 - To the top of the radiator.

Fig. 3.22 c. Elements of the cooling system (coolant pump side):
1 - Sealing ring; 2 - Cooling system pump; 3 - Rear timing belt cover; 4 - Camshaft pulley; 5, 6, 9, 11 - Bolts; 7 - Timing belt; 8 - Upper part of the timing belt cover; 10 - Lower part of the timing belt cover; 12 - Tension roller.