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By B-rad - 2 Years Ago
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My p. Steering pump says to add atf. Should I use power steering fluid or atf? I didn't know if p.s. fluid was even available back in 54. Plus, my tranny is getting rebuilt and I want to know what atf is recommended now.
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By mjs - 2 Years Ago
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I've always used regular P/S fluid in mine with no trouble. As to the transmission fluid my shop manual which covers 1955 - 1958 Lincoln Turbo-Drive and
1951 - 1958 Mercury Merc-O-Matic shows Type A. Dexron/Mercon is a replacement for Type A but your rebuilder should be able to advise you.
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By Brent - 2 Years Ago
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I was researching for the fluid to use in my ’55 Thunderbird PS system; the stock spec calls for Type A. I found this DEXRON - Wikipedia article to be very informative; Type A was a GM product… I contacted Lares Corp, they rebuilt my pump, valve and cylinder. They recommend using a “power steering” fluid without any stop leak additives in a system that has been rebuilt with modern seals.
Lares advises not to start the engine to prime a dry system, they recommend cranking the starter for 20 sec intervals. I dont want to grind on my starter so I came up with a pulley to use with a drill motor.
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By FORD DEARBORN - 2 Years Ago
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That's a keeper - nice one.
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By HazardTBird - 2 Years Ago
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That sounds like a really good way to test everything in the steering system for leaks and operation before during initial startup and breakin of a freshly rebuilt engine!
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By paul2748 - 2 Years Ago
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The Tbird people advice is don't use power steering fluid. Stay with ATF. Supposedly, power steering fluid causes leaks in the old Ford system that ATF doesn't.
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