Steering pump whine - how to quiet

THOR74

New Member
Dec 5, 2009
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Ontario, Canada
G'day gents!

Recently replaced a quiet original (leaking) steering pump with a "remanufactured" unit and it is making a lot more noise than the old one ever did. System is full of fresh type-F and is bled, with all 3 lines new as well.

I remember somewhere reading how people were able to safely add something to the fluid to quiet the noise down.

Can anybody here shed some light on this, even from experience?

Thanks is advance.