Power steering pump issues.
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Fleet Mechanic
Joined: Jan 2012
Posts: 1,668
Likes: 13
From: Saskatchewan
Since the pumps were the same all the way into the '90's, I'll use P/S fluid. Too many times I've put ATF in these pumps after a new pump install (on newer vehicles) and the steering didn't even work at all. After flushing the ATF out and refilling with P/S fluid, it worked like a new one. No matter what the manual says, right on the cap it says, "Use power steering fluid only".
P/S fluid ALWAYS works like it should. SOMETIMES, ATF doesn't work. That's good enough odds for me to just use P/S fluid.
Bottom line is, This is what I found works every time. If you find something else that works, great! With my truck, this is the ONLY thing that has worked. In the 8 months I was messing with my truck, I tried, straight 10W oil, ATF, P/S fluid and straight 30W oil. P/S fluid with this bleeding process was the only way I could get my truck to steer.
P/S fluid ALWAYS works like it should. SOMETIMES, ATF doesn't work. That's good enough odds for me to just use P/S fluid.
Bottom line is, This is what I found works every time. If you find something else that works, great! With my truck, this is the ONLY thing that has worked. In the 8 months I was messing with my truck, I tried, straight 10W oil, ATF, P/S fluid and straight 30W oil. P/S fluid with this bleeding process was the only way I could get my truck to steer.
Thread Starter
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Fleet Mechanic
Joined: Jan 2012
Posts: 1,668
Likes: 13
From: Saskatchewan
It's not the pump, it's the box. It's bloody murder to bleed the air out. Do this procedure EXACTLY AS WRITTEN and you'll have power steering again.
https://www.ford-trucks.com/forums/1...ering-fix.html
https://www.ford-trucks.com/forums/1...ering-fix.html
Thread Starter
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Fleet Mechanic
Joined: Jan 2012
Posts: 1,668
Likes: 13
From: Saskatchewan
Ok finally got perfect power steering!!!!! Picked up a Saginaw bracket for a 351/400m from crazy horse. Got a rebuilt Saginaw for a 1979 e150 van from local parts store. Built a custom hose (1/2inverted flare x 5/8 inverted flare). A little messing around with belts, finally settled on a 13A1230 belt and man couldn't be any more impressed with the steering. One finger at an idle with 35" tire from lock to lock is no problem and you can't here the pump at all. Now I can really hear the exhaust leaks. LOL. On to the next thing... Love it
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