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Engine Cooling System

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2008 Honda S2000, 2007 Honda S2000, 2006 Honda S2000, 2005 Honda S2000, and 2004 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.
COOLING STANDARDS AND SERVICE LIMITS SPECIFICATIONS TABLE

Item Measurement Qualification Standard or New
Radiator Coolant capacities (includes engine, heater, hoses, and reservoir) Use Honda Long Life Antifreeze/Coolant Type 2 Engine overhaul 7.6 L (2.01 US gal)
Coolant change 6.5 L (1.72 US gal)
Reservoir Coolant capacity - 0.6 L (0.16 US gal)
Radiator cap Opening pressure - 93-123 kPa (0.95-1.25 kgf/cm2 , 14-18 psi)
Thermostat Opening temperature Begins to open 169-176°F (76-80°C)
Fully open 194°F (90°C)
Valve lift at fully open - 10.0 mm (0.39 in.) min.
Radiator fan switch (2000-2005 models) Thermoswitch "ON" temperature - 196-203°F (91-95°C)
Thermoswitch "OFF" temperature - Subtract 5-15°F (3-8°C) from actual "ON" temperature