Mercury Cougar Owners banner

1 - 3 of 3 Posts

·
Registered
Joined
·
519 Posts
Discussion Starter #1
I changed my power steering control valve today (PITA) and when I went to refill it I added some STP power steering fluid only to notice that it recommended Automatic Transmission fluid.

OOPS!

Is this ok or should I drain the power steering fluid and add ATF?
 

·
Moderator
Joined
·
11,000 Posts
The STP PS fluid is fine. Ford recommended using ATF (Type "F") in the power steering reservoir to make life easy for dealers. The power steering system is tolerant of a wide range of fluids, virtually any mineral oil from 10 to 50 weight viscosity would be fine. Just don't try to use the PS fluid in the transmission!
 
1 - 3 of 3 Posts
Top