1 - radiator; 2 - temperature sensor; 3, 17, 20, 22 - hose; 5 - bolt (M6x25); 6 - thermostat in the housing; 7 - gasket; 3 - cylinder head; 9, 13 - ring (20x3); 10 - heating hose; 11 - nut (M6); 12, 15, 16 - bolt; 14 - pipeline; 18 - heating pump; 19 - holder; 21 - Air bleed screw; 23 - timing belt cover; 24 - ring (68x5); 25 - engine pump; 26 - pulley; 27 - bolt (M6x16); 28 - nut (M6); 29 - expansion tank; 30 - tank cap
The fan switch-on temperature is 88-92°C, switch-off temperature is 60-65°C.
Axial clearance of the viscous coupling rotor is no more than 0.4 mm. Radial clearance of the viscous coupling rotor is no more than 0.65 mm.