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Hydraulic Control Valve for Fan Clutch

S

StackJ

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Just been reading TM 9-2320-280-20-1 and saw the following on page 69:

HYDRAULIC CONTROL VALVE - Directs hydraulic fluid to provide required pressure to actuate fan clutch as required by engine temperature. Hydraulic pressure supplied by power steering pump.

Which I assume means extended engine cooling (fan) is dependent on the power steering pump?

Has anyone bypassed this? Can you? Seems like one would want to keep both separately - like "your power steering goes out and you might also overheat."
 
A

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the fan will default to ON if there is a problem.

the steering pump also put fluid through the hydrobooster for your brakes.
 
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