Engine Cooling System; Schematic Diagram; Thermostat - Porsche 2015 911 GT3 Cup Technical Manual

Engine
1 Side radiator, left
2 Central radiator
3 Side radiator, right
4 Gearbox heat exchanger
5 Engine heat exchanger
6 Cooling water compensating tank
di – Exhaust throttle
911 GT3 Cup (991)
18
1.4
The cooling system ensures the engine's temperature during operation. The heat
produced by combustion is released in a controlled way to the environment via three
water radiators installed in the front, thus protecting the engine from overheating.
Furthermore, two oil/water-heat exchangers are installed in the cooling circuit. These
heat exchangers for the engine and the gearbox are used to set the oil temperatures
of the assemblies to the operating temperature and to keep this temperature stable.
The lid of the water expansion tank is equipped with a pressure regulating valve
which opens at 1,4 bar. Check the system if there is a coolant loss or leaks are
suspected. The adapter required for the test has to be screwed to the compensating
tank; it can be obtained from Hazet.
Adapter:
1.4.1
1.4.1.1
1.4.2
The thermostat integrated in the engine opens at a water temperature of 60° C
(140° F). At approx. 72° C (162° F), the thermostat is fully open.
MY 2015

Engine cooling system

Hazet 4800-12A.

Schematic diagram

Thermostat

thermostat
Version: 16.12.2014