Q45 V8-4.5L (VK45DE) (2002)
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Radiator Cooling Fan Motor: Testing and Inspection
Cooling Fan Fluid Level and Lines
Checking Cooling Fan Fluid Level and Lines
Check that there is no fluid leaking from any hose connection or any other part.
Check the fluid level with the level gauge on the reservoir tank cap. If there is too much or too little, adjust the amount of fluid.
Check that under the fluid temperature conditions below, the fluid level is within the "cold" or "hot" range on the level gauge.
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.