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Old 03-19-2008, 10:53 AM
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Separation anxiety - early Ford drum brakes

Working on my deuce front brakes while I'm waiting for some driveline parts to arrive and I'm having trouble separating my 37-48 spindles from the brake drums. These are the later model drums that fit over the spindles and I'm not familiar enough with early Ford brakes to know if they are press fit or if I just need to let them soak in penetrating oil for a while and then smack them with a hard rubber hammer.

Any of you early Ford gurus know the proper procedure for separating these two???

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Old 03-19-2008, 04:50 PM
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Centerline, the front drums are integral to the hub. To remove the drum, remove the bearing dust cap which uncovers the castellated nut and cotter pin. Remove the pin and nut and the drum and outer bearing will separate from the spindle, providing the shoes are not stuck to the drums. You can remove the 4 nuts on the back side of the spindle which will release the backing plate and remove the drum/hub and backing plate as a unit. Then you can start working on getting the brake shoes released from the drum.

Trees

Thought I might add "How to" on the rear in case you have to remove those. The rear hub has a tapered center with a key way. The axle is tapered and the hub is secured with another castellated nut. There is a detent in the hub for the purpose of installing a special puller required to brake the taper seal. If you do not have access to this special tool, there is a primitive cheaper one that threads to the axle and you hit it with a BFM which uses inertia to break the seal. You can run into the same problem of brake shoes frozen to the drum and can remove the 4 nuts on the axle housing flange like described above.

Last edited by trees; 03-19-2008 at 04:56 PM.
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Old 03-19-2008, 05:59 PM
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Separating the drum from the spindle or shoes isn't the problem. It's getting the drum off the hub. Any ideas???
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Old 03-19-2008, 06:50 PM
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Separating drums and hubs

As I remember one puts the hub and drum in a press and presses out the wheel studs..Once that is done the hub and drum should separate fairly easily..

Sam
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Old 03-19-2008, 07:09 PM
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Quote:
Originally Posted by OneMoreTime
As I remember one puts the hub and drum in a press and presses out the wheel studs..Once that is done the hub and drum should separate fairly easily..

Sam
That's what I was afraid of. Not a big deal to do but at least it makes sense. I may have to make a small press using a bottle jack but at least I'll get them apart so I can have the drums turned.
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Old 03-19-2008, 07:18 PM
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Quote:
Originally Posted by Centerline
I'll get them apart so I can have the drums turned.
WHY ??

I prefer to turn them on the hub ... like a disc brake rotor. I believe the drum runs truer on the spindle when turned on the hub ... just my nickel.

Also reduces the chances of breaking the drum ... ( been there , done that ).
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Old 03-19-2008, 08:07 PM
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Quote:
Originally Posted by Deuce
WHY ??

I prefer to turn them on the hub ... like a disc brake rotor. I believe the drum runs truer on the spindle when turned on the hub ... just my nickel.

Also reduces the chances of breaking the drum ... ( been there , done that ).

X2...i'd never press the studs for turning. A good brake shop would prefer(or demand) that turning be done on the hub. A real fussy place may even put the wheel on and torque it, while turning front drums!

Besides, I've seen hubs & drums get warped by not using correct backup tools under the stud, while pressing. I've also seen bent rear axle flanges from doing stud removal with a hammer.
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Old 03-19-2008, 08:36 PM
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If you must press out the studs, be sure to support the drum and hub from the underside with a drive socket or chunk of heavy wall tubing a tad larger than the stud head. Press each out individually with this support.

Don't just lay the drum and hub on a plate and press the studs without this support or you'll bend the drum.

OK guys, did I say that right?
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Old 03-19-2008, 10:41 PM
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Interesting revelation....... the only reason I wanted to separate the hub and drum was to have the drums turned. If most shops would rather turn them together then there's no reason to separate them.

Must be one of Ford's better ideas.
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Old 03-20-2008, 05:15 PM
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Centerline, when it came to brakes in early Fords, Henry definitely did not have better ideals. William Bendix went to him to sell his ideal of hydraulic brakes, but Henry turned him down and caused some hard feelings. Walter Chrysler recognized a good ideal when he saw it and they tied up the market for many years with patents. The buzz word for hydraulic brakes was Bendix for many years. Henry had to wait until the patents expired before he introduced hydraulic brakes in 1939. Chrysler products had hydraulics back in the early 20s and maybe sooner. By the way, Ford rear axles were old buggy design until 49 when they went to a flange on the end with wheel studs.

Trees
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Old 03-20-2008, 07:41 PM
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Quote:
Originally Posted by trees
........ By the way, Ford rear axles were old buggy design until 49 when they went to a flange on the end with wheel studs.

Trees
Didn't you guys have those on the 105's???? Just kiddn'
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Old 03-21-2008, 02:35 PM
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Centerline, we only had brakes that worked well without blowing out every time the runway got damp.

Trees
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