Radiator
Radiator brand Behr tubular-finned with transverse circulation. On vehicles with automatic transmission, an oil cooler is built into the right-hand radiator reservoir.
Expansion tank valve opening pressure, kg/cm2:
- safety: 1+0.15-0.10.
- intake: up to 0.9.
Water pump
The water pump is vane type centrifugal. It is driven by a V-belt from the crankshaft pulley.
Gap between the impeller and the overlapping ring of the pump casing, mm: 0.6±0.2.
Thermostat
Main valve opening temperature,°С: 80±1.5.
Piston stroke of the main valve at a temperature of 80±1.5°С, mm: 8.
Water pump drive belt
Make and type: Continental SPZ 9.5 950 La Z, Kleber Venuflex AV 10 940 or Gates 6218 MC.
Fan
Until the 1980 model year, a five-blade, two-speed electric fan was installed on cars, driven by an electric motor, which is turned on and off by the electric fan on sensor.
Brand and type of fan: Bosch IPL 12V.
Fan diameter, mm: 366.
Since the 1980 model year, a nine-blade fan driven by a Holset viscous clutch has been installed on cars.
Fan brand: Walker.
Fan diameter, mm: 420.
Sensors for turning on the electric fan (before MY 1980)
Coolant liquid
Capacity of engine cooling and interior heating systems, l: 12.
Coolant used: a mixture of distilled water and antifreeze in a ratio of 60 and 40% (at temperatures up to -25°С).
Replacement interval: every two years of operation.