The cooling circuit with separate head/block cooling
Thermostat
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Cooling pump
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An electrically driven coolant pump supplies indirect charge-air cooling fully flexibly and on-demand in the low-temperature circuit and during turbocharger run-on after the engine has been switched off.
Engine cooling through the high-temperature circuit is via the thermostat casing with an integrated water pump driven via the exhaust camshaft by a zero-maintenance toothed belt.
