Q45 V8-4.5L (VK45DE) (2002)
Radiator Cooling Fan Motor: Pressure, Vacuum and Temperature Specifications
COOLING FAN FLUID TEMPERATURE
Cold: Fluid temperature ...................................................................................................................................................................... 0 - 30°C (32 - 86°F)
Hot: Fluid temperature ................................................................................................................................................................ 50 - 80°C (122 - 176°F)
NOTE: There is no specified timing for replacing the fluid.