What type of Power Steering Fluid in a 98 Windstar - Ford Forum - Enthusiast Forums for Ford Owners

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Old 01-13-2009, 04:26 PM
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Default What type of Power Steering Fluid in a 98 Windstar

Did have the following posted under another issue but reposted as it is slightly different now.

Well I have the pump changed, went fairly smoothly.

Steering is working fine but I still have a whine when the revs are picked up, quite as a mouse at idle even when I turn the wheel.

I bled the system by turning lock to lock about a dozen times or so.

The Parts Shop told me to use Mercon ATF fluid, is this correct?

So should I just run it for a while and assume it will go aways as the pump frees up and the last of the air bleeds out or do I have something more serious here? ID the Mercon fluid correct or not?

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Old 01-13-2009, 05:56 PM
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Default RE: What type of Power Steering Fluid in a 98 Windstar

Mercon is correct..

Give it some miles to perk all the air out of the system.. Turning lock~lock will get the brunt out, but usually some run time is needed to purge all the air..
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Old 02-13-2011, 09:38 PM
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For a 1998 Ford Windstar the correct Power Steering Fluid these days is Mercon V Automatic Transmission Fluid. I called my Ford Dealer and asked, and I also read the bulletin that Ford issue in 2007 replacing all Mercon with Mercon V. The manual specifies ATF type F. I believe the spec was updated to Mercon and then Ford changed it to Mercon V per the bulletin. They do sell a DEXRON III / MERCON blend which they told me at the parts store I could use but I'd go with the Mercon V.

Last edited by Rickw574; 02-13-2011 at 09:45 PM.
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