Ford Rear Brake Drum repair 6 Attachment(s)
I Have a set of rear drums off of a 1935 coupe which has been converted to hydraulic brakes at some point.
My plan is to get these turned, replace seals, check bearings and reuse. Wondering if someone can tell me what year these hubs are. Also looks like two of the studs I will have to replace, one isn't seated down and they don't look like the others. Any pointers for getting the old ones out ? where can I find replacement studs ones ? |
Re: Ford Rear Brake Drum repair Quote:
https://www.fordbarn.com/forum/attac...6&d=1702417219 https://www.fordbarn.com/forum/attac...9&d=1702417219 https://www.fordbarn.com/forum/attac...8&d=1702417219 https://www.fordbarn.com/forum/attac...0&d=1702417241 https://www.fordbarn.com/forum/attac...7&d=1702417219 |
Re: Ford Rear Brake Drum repair You should also have a close inspection of the female taper inside the hub to make sure it is not worn. It must fit the axle taper precisely. Also measure across the drum braking surface to make sure it is not machined oversize. Regards, Kevin.
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Re: Ford Rear Brake Drum repair Looks like somebody welded the two studs in instead of swaging them.
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Re: Ford Rear Brake Drum repair We need to see the outside of the drum's sides to ascertain its vintage.
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Re: Ford Rear Brake Drum repair I would guess that they are 1940. You can get studs at auto parts supply, Dorman product.
They can be pressed out & in. They are swaged. JMHO |
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Re: Ford Rear Brake Drum repair The hub has the 5 support bumps for 35 wire wheels, but the drum looks odd to me, I agree with David, I'd like to see the side of the drum.
The welded studs are from someone who replaced the drum, or the studs and was too lazy to swedge them in. That could be fixed with the dorman stud and drill size provided at Bolling Bros web site. A better question is, how is the inside bearing surface? |
Re: Ford Rear Brake Drum repair 2 Attachment(s)
A few more pics to help ID what I have.
I will have to remove the seals to further inspect condition. |
Re: Ford Rear Brake Drum repair '35s.
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Re: Ford Rear Brake Drum repair Quote:
https://www.fordbarn.com/forum/attac...6&d=1702517207 |
Re: Ford Rear Brake Drum repair Ok thank you
I didn’t realize 35 drums could be used with hydraulic brakes. What wheel studs can I use to replace the two welded ones ? Are there any that don’t require swedging ? |
Re: Ford Rear Brake Drum repair 35 drums are the same dimensions as far as shoe size as all fords up to 48. As I previously mentioned, the replacement stud and proper drill size is at bolling bros. site, they are the folks who make the best repo drums
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Re: Ford Rear Brake Drum repair Guess I would measure the drum to see if it can turned and check the bearing surface for wear and pitting. If that is all good, then figure out what to do about the studs.
Until you get them out, you won't know the condition of the holes or if stock studs can be installed. The studs cas3 mentioned are Dorman 610-234. They require a .600 hole. I haven't used them in a '35 drum, so if you consider them it would be good idea to check the shank and overall length on Dorman's web sight to be sure they are suitable. If all else fails later Ford drums will work with the addition of a wire wheel support ring. |
Re: Ford Rear Brake Drum repair 4 Attachment(s)
Got the seal out.
Here are a few pictures of the inside. |
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Re: Ford Rear Brake Drum repair Swage cutters are available to prepare for removal of a stud that was swaged properly. No favors were done by someone welding the studs in there. That stuff will have to be cleaned up before installing proper replacement studs. The swaging tools are also available but a person needs a fairly heavy duty press to properly swage those studs,
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Re: Ford Rear Brake Drum repair Quote:
Drill the offending stud from the back side. I start with a smaller size drill, say 5/16". Stay centered, increase drill size- the object is to punch the stud out the front. I use a micrometer to measure the new stud. Look for a press fit of .002- .006, or so. (REAL old memories). Swaging the new studs may be optional, as the Ford ones have a flat to keep them from spinning. Karl |
Re: Ford Rear Brake Drum repair If the brake drums are badly grooved and need to be turned, there are three issues. 1) there is a limit as how far than be turned (I do not remember the number). 2) You would be well advised to have the brake shoes arc'ed to match the larger radius of the turned drums. 3) With drum brakes a thing of the past, finding someone with a lathe set up to turn those drums could be challenging.
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Re: Ford Rear Brake Drum repair The two studs with the welds have already been replaced once. You won't have to worry about removing the swaging on the wheel side of the drum. Press them out, clean off the weld, and press in new studs.
That said, it would be advisable to replace all the studs at the same time, which would require removal of the swage on the other three. There are a few methods to do so while allowing re-use of the drum assembly. You can do a search of past posts to find descriptions of the processes. |
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