Possible malfunctions of the pump (Fig. 1) can be: fluid leakage through the impeller seal as a result of wear of the sealing washer or destruction of the rubber seal seal, wear of bearings, breaks and cracks of the impeller
Engine cooling system – liquid, closed, with forced circulation of coolant by a centrifugal pump
The lubrication system diagram is shown in Fig. 1.
Oil pressure in the lubrication system of a warm engine at low crankshaft speed 550–650 min -1