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12-03-2019, 02:54 PM | #1 |
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1953 Ford Sunliner with power steering problem
I installed a new piston but when I start the car the steering automatically turns the wheels to the left. What is the problem? After that happens it is locked and can't turn steering wheel. Air lock? How do you bleed the piston? Can you do it manually before starting engine. When engine is not running I can turn the steering wheel and wheels turn. Anyone else have this problem?
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12-03-2019, 05:34 PM | #2 |
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Re: 1953 Ford Sunliner with power steering problem
Did it work properly before?
Could you have reversed the hoses Did you have the control valve apart ( the part attached to pitman arm) |
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12-03-2019, 06:47 PM | #3 |
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Re: 1953 Ford Sunliner with power steering problem
What was the issue with the old piston. They can be disassembled and resealed.
My bet would be a blown seal in the control valve, allowing all the pressure/fluid to go one way. Air in the system, will be pushed back up to the reservoir, when you turn the steering wheel lock to lock. Last edited by Merc Cruzer; 12-03-2019 at 08:09 PM. |
12-04-2019, 06:28 AM | #4 |
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Re: 1953 Ford Sunliner with power steering problem
I put a new gasket on the control valve end. Which is held with two screws. I need to know if I put the piston in the right position for the hoses from the control valve are attached correctly. Does the pistons' left side, were the hoses attach point up or down?
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12-04-2019, 09:01 AM | #5 |
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Re: 1953 Ford Sunliner with power steering problem
The centering spring is under the cap with two bolts. Shop manual says the nut should be tightened securely then backed off 1/4 turn.
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12-04-2019, 09:35 AM | #6 |
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Re: 1953 Ford Sunliner with power steering problem
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Last edited by Merc Cruzer; 12-04-2019 at 10:59 AM. |
12-04-2019, 11:13 AM | #7 |
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Re: 1953 Ford Sunliner with power steering problem
if you only changed the ram then it would be a good place to start by replacing it. or if you have a shop nearby that repairs hydraulics let them rebuild it years ago I bought one out of California that was supposedly rebuilt had same type problem.took to a shop that rebuilt rams and other other parts of the systems.turned out ram had a nice paint job but that was all.after saying that if you played with the spool valve then you will need to get a manual and follow the instructions on adjustments an easy job if you pay attention.good luck
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12-04-2019, 01:02 PM | #8 |
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Re: 1953 Ford Sunliner with power steering problem
I purchased my system from a gentlemen on the east coast, then rebuilt it and installed it in my 53' Merc, that was originally a manual steering system. A few more pages from the repair manual for your review.
You might find this interesting: https://www.fordbarn.com/forum/showt...steering+seals Last edited by Merc Cruzer; 12-04-2019 at 01:14 PM. |
12-05-2019, 12:20 PM | #9 |
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Re: 1953 Ford Sunliner with power steering problem
If you want to test the piston in place, (this will be a bit messy) just take the two hoses off the piston and use air. You might want to disconnect the ram, to allow it to move freely. If the ram movies in and out with the air then you will know the issue is not in the ram.
As I stated before, my best guess would be one of the valve spool seals has blown. Even if you just replaced the seals, that would not be a surprise, as the the design was weak, and there is a good chance they have been sitting on a shelf for along time. I initially replaced mine with a set of original seals, that I bought on line. Hence the reason I went with a newer design seal, that also stops the leaking. Remember this was the first year for this style of power steering. Lincoln had power steering previously, but that was a different system. What I love, is that the return hose to the reservoir, is the same size as the power hose. Early engineering. Yet this same basic system was used even in my wife's 1970 Cougar XR-7. (pictures with the blue oil pan) Last edited by Merc Cruzer; 12-05-2019 at 08:53 PM. |
12-06-2019, 12:01 PM | #10 |
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Re: 1953 Ford Sunliner with power steering problem
the problem with using a (newer)year spool valve is that you will probably find they used different sized fittings on the ram.you can have a hydraulic shop make new lines just making you aware.the new line will probably be cheaper than aftermarket as they are usually priced high due to people not realizing they can be made.keep us updated I forgot to add the tip about using air to test ram is a good one I have used it since my ordeal with the supposedly rebuilt one years ago.
Last edited by 54vicky; 12-06-2019 at 12:11 PM. |
01-18-2020, 08:14 AM | #11 |
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Re: 1953 Ford Sunliner with power steering problem
got control and piston rebuilt and now it works but hose fittings leak. where do you get new hoses?
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01-18-2020, 08:17 AM | #12 |
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Re: 1953 Ford Sunliner with power steering problem
would the hoses from the control valve to the piston be the same as the cougar?
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01-18-2020, 09:28 AM | #13 |
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Re: 1953 Ford Sunliner with power steering problem
No, by the time the system was used on the 70 Cougar, the return hose was allot smaller. I would take the hoses to the local parts store (I know O'Reilly's here does it), as many of the parts stores can now make new hoses, using your old ends.
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02-20-2020, 03:13 PM | #14 |
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Re: 1953 Ford Sunliner with power steering problem
Thanks to everyone who answered to my problem with the power steering. I got the control valve and piston rebuilt by Lares. I only have a small leak now at one hose connection on the piston. I tighted it as much as I could but didn't work. Is there a poundage for the connnections. I may try a new hose.
Thanks again!!!!! |
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