Thermostat
The thermostat is located in a retractable housing mounted at the rear of the cylinder head.
- Main valve opening start temperature,°C: 82.
- Full opening temperature of the main valve,°C: 108.
- Main valve piston stroke at 108°C, not less than, mm: 7.
- Thermostat brand: Behr-Thomson.
Radiator
The radiator is installed in the front part of the car. The radiator is plate-type, aluminum, with plastic tanks.
Expansion tank
Opening pressure of the safety valve in the tank cap, kg/cm³: 1.2-1.35.
Electric fan
The electric fan has a plastic six-blade impeller mounted on the shaft of the electric motor, which is switched on and off by the electric fan switch located on the left radiator tank.
- Fan motor switch-on temperature,°C: 90-95. Fan motor switch-off temperature,°C: 85-90.
Water pump
The centrifugal water pump is installed in the front part of the cylinder block on the right and is driven by a toothed belt of the camshaft drive. The tension of the toothed belt is adjusted by turning the pump body on the eccentric base. The belt tension is considered normal if in the middle part of the branch between the toothed pulleys of the crankshaft and camshaft the belt is twisted no more than 90° by the force of the thumb and index finger.
Coolant
- Capacity of engine cooling and cabin heating systems, l: ~6.
- The coolant used is a mixture of distilled water and G10 antifreeze in a ratio of 60% and 40% (at temperatures down to -25°C).
- Replacement frequency: every 22,500 km.
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