CrazyUglyCoyote
15+ Year Contributor
- 143
- 0
- Feb 7, 2005
-
Tucson,
Arizona
Can you put ATF in your power steering pump?
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Zexell said:I use what the manual says. And the manual says ATF.
The manual say's to use ATF.giester2 said:Use what the manual says but keep this in mind....
Transmission fluid is designed to allow some friction and to be in an environment below 350 psi.
The power steering system does not want any friction and operates in an environment of at least 1000-1200 psi (most max pressures are between 1250-1600).
With increased pressure you have increased heat which means the ATF will break down quicker and lose its lubricating properties. ATF will work fine in most power steering systems but it is recommended that you flush it out on a regular basis (at least once a year) for the system to continue to work well.

Whats so hard about just using power steering fluid? Who cares if the manual doesn't say to use it, it's pretty much a common sense thing. ATF goes in automatic transmissions, and power steering fluid goes in your power steering system.