Hello---Hope everyone is well. I pulled the power steering cylinder off my car to rebuild, and I have the rebuild kit from Studebaker International. There is an exploded view of the cylinder in my 55 to 58 Studebaker chassis catalog. The rebuild kit is called out as a 1308-76 and is listed as a "seal Kit" and it shows 5 parts. The part # is 1545331. I'm not looking at it right now, but I believe the kit has 6 parts in it. I cannot find anything about rebuilding this unit in my maintenance manual--at all. I do not know much about rebuilding cylinders, but I would think there would be a piston with o ring seals on it. But that is not shown in the exploded view. I hate to start trying to pull things out of there without knowing whats really in there . Is anyone aware of any how to videos showing how to rebuild this cylinder---or any other information regarding how this is made? This out of my 57 Stude Silver Hawk--289. The unit came off easily and seems in good shape overall. It is leaking I think because you can rotate the shaft easily with 2 fingers (not much drag from seals) If anyone has done this job please chime in & let me know what to watch out for. Thanks Much----BassMan
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We need more information. It sounds like you have a power steering system out of a 1958 or newer Studebaker. Those used a pump, a control valve, and a ram (cylinder). The 1953-57 (or '58) PS system used only a pump and a steering gearbox. On these earlier PS systems there was no control valve or ram cylinder.
The later PS system can readily be retrofitted to an earlier Studebaker and this may be what happened to your car.
--Dwight -
Dwight----Thanks for your reply. See the attached pictures. This 1957 Silver Hawk does have the control valve and the ram cylinder, regardless of where it came from. I'm pretty sure it was added later on. I guess I could look at the build sheet and it would tell me if the car was built with PS ? I was thinking backwards . For some reason I thought the "later" models had just the pump and the steering gear ( no ram cyl), and the "older" models had the steering gear, pump, and ram cylinder. The older design without the ram cylinder seems to be a better design to me, but I'm still learning about Studebakers. They must have changed for a reason I guess. This is the only studebaker I have driven with power steering so far. Anyway, I have the motor out to rebuild so now is the time to rebuild the ram cylinder while nothing is in my way. Have you ever rebuilt a ram cylinder or can you suggest a source for more information? Thanks again, and let me know if you need additional information---BassManComment
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When you say your "Maintenance Manual" has no info, do you mean the 1957 (or '56 with the '57 Supplement) Studebaker Shop Manual?
You have a 1958 to 1966 Bendix System someone installed on your '57.
You will need the '55 to '58 Shop Manual, in the BENDIX Power Steering Section for a '58.
So your Parts Catalog is correct for a '58, we are dealing with what is called the "Control Valve".
The 1545331 Kit would be Old Stock, the New fresh stock ones are PST002 and no longer include the Tin Dust Shield and Foam Cushion Dust Seal. All you need is just 2 tiny Seals, (I'll call them Square cross section "O Rings").
This whole scenario sure sounds awful familiar, this happened here before either it was about this same Hawk or one exactly the same with a added on Bendix Power Steering System where a Saginaw System would be correct !
Who knew there were TWO!
The Power Ram Cylinder has it's own Seal Kit, maybe that is what you have?StudeRich
Second Generation Stude Driver,
Proud '54 Starliner Owner
SDC Member Since 1967Comment
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StudeRich----Thanks for your reply. Your right, this is the same car. I sent the control valve out to Texas to be rebuilt by a fellow that does these all the time. It looks brand new, and he only charged me a hundred bucks plus shipping. I am working on the " Ram Cylinder" now that hooks to the steering and does the pushing and pulling. Your right about the Maintenance Manual as well. Mine says "1956 Passenger Cars Shop Manual" on the front. I will check and see if I can order a 1958 if they are still available. I have run into quite a few problems trying to find parts for a 57 Hawk. Apparently there were several changes made in the 57-58 model years. Parts are available, but it is not always clear which part fits "my" car. There is a supplement for 1957 cars in the 1956 shop manual I presently have, but it does not mention the ram cylinder. I have the rebuild kit for the ram cylinder from Stude International. I was just hoping there might be a video or specific instructions on how to rebuild it. It looks like the rebuild information is probably in the 1958 Shop Manual. Thanks for the Information. It is very helpful------BassManComment
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A comment or two: There should be NO problems finding parts for a '57 Hawk. We have a number of professional parts dealers who can supply any part needed to keep your Hawk on the road.
Studebaker did make mechanical changes to its cars, sometimes as an improvement, sometimes to save the corporation money (as in the switch from the Saginaw to the Bendix PS system).
There are some cases where Studebaker made changes during a model year. Using your car's serial number will help sort that out.
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I guess one of us is confused a bit still, maybe me not understanding you.
Originally in Post One you talked about the 1545331 like you have it, but as I said in Post 4, it's for the Control Valve that you already have done, so will not help with the Ram Cylinder.
But Now you say you also have a Ram Kit.
So I guess all you need is the 800424, '58 Shop Manual Supplement to the '56-'57 Manuals. 
One thing all of us can do for better communication, is keep it Short, and SPACE the Paragraphs to make it more understandable and easy to read and Remember.
The Details get lost in a "Book".StudeRich
Second Generation Stude Driver,
Proud '54 Starliner Owner
SDC Member Since 1967Comment
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Thank You for your help. I could have done a better job explaining things. Your suggestions are noted. I will try to slow down and space my paragraphs. StudeRich----I have a Chassis catalog for 1955 thru 1958 Studebakers ( revised 1961 ). On page Another dreamer (Plate 13-6 ) the power steering power cylinder is shown in an exploded view. On the shaft end of the cylinder, there are 5 parts listed as 1308-76. When you look up the part number for those 5 parts, it is listed as part number 1545331. The book calls out those 5 parts as " Seal Kit, Power cylinder" and it lists all 5 parts.
That is where I got that part number.
Sorry for the confusion. I will try and do a better job going forward. My aging brain does not help matters either. I get confused myself sometimes . I am 69 years old. It really tics me off when I can't recall words like I used to in my younger days. I have talked to other senior citizens that are having the same problem with word recall. Another thing that really "bugs" me is I will lay a wrench down, and can't find it 30 minutes later, and spend another 10 minutes looking for the wrench! I'm sure I did this when I was younger, but it seems to be worse lately. Thanks again--BassMan
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Don't know where another dreamer came from---It should say "pg 418 "---BassManComment
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Thanks ! DanComment
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