D8 GTO cooling system

Cooling system

The cooling concept is based on longitudinal flow through cylinders 1 to 5. The coolant pump is driven by the auxiliary drive by means of a poly-vee belt and is designed to control the high thermal load on the turbo engine.

To prevent the turbocharger from overheating when the engine stops, the cooling system is equipped with a coolant run-on pump V51. When required, it is activated by the engine control unit (map) via the auxiliary coolant pump relay J496.