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Old 08-27-2014, 02:16 AM
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Rear Drum Brake Job in our 66 F250

We are in desperate need of a brake job on the rear drums of our 66 F250. I know the drums are shot and they occasionally lock up when we apply the emergency brake. It is something we would like to tackle ourselves and it appears all the parts (drums, shoes, spring kits, cylinders) are available through NAPA and Rock Auto. Having never done this, what are we up against that might require special tools? Will the studs need to be removed and pressed back into the drum. I assume we will need to replace the wheel bearing. Any advice from those who have attempted this would be appreciated.

Luckily the front disc setup out of a 79 are working well up front - aside from the squeking which we think is just in need of a little lubricant. The pads are good.
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Old 08-27-2014, 08:08 AM
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Unless the drums have been turned beyond maximum diameter they are still serviceable. Have you adjusted rear drums? Have you lubricated emergency brake cables? Check and see if rear cables are returning when the front cable is released.They may be sticking from rust and crud inside them. You will have to remove axles to remove drums. A puller makes removing axles much easier.
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Old 08-27-2014, 01:57 PM
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1966 F250 Camper Specials came standard equipment with 12" x 2 1/2" front & rear drum brakes and self adjusters. These brakes were also installed on non F250 Camper Specials w/a 7,500 lb. GVW

1966 F250's with GVW's of less than 7,500 lbs. have 12 1/8" x 2" front & rear drum brakes that do not use self adjusters.
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Old 08-28-2014, 02:06 PM
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The issue with the brakes turns out to be the emergency brake springs and cable - both of which are not reproduced. Does anyone know (Number Dummy??) where I might find NOS parts for this? At this point I am going to disconnect the E-brake because I think there is a good chance that spring parts could break loose in the drum and cause all sorts of problems.
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Old 08-28-2014, 02:43 PM
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Just 2 days ago over in my thread I posted the part numbers for all 3 e-brake cables along with pictures that should be same as your truck would use.

Ford Truck Enthusiasts Forums - View Single Post - 1966 F250 Deluxe Camper Special Ranger

Unfortunately, the -G and -H cables are hens teeth.
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Old 08-28-2014, 03:25 PM
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Thanks for the part numbers on the cables! Know anything about the springs into the drum?
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Old 08-28-2014, 03:33 PM
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TA455HO, do you mind telling me where you got those E-Brake cables?
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Old 08-28-2014, 03:37 PM
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Are you talking about the springs inside the drums that operate the brake shoe return? Or springs on the e-brake cables themselves?

The springs on the e-brake cables are built/assembled as part of the overall cable and I'm not certain if they can or can't be replaced separate from the rest of the cable. My hunch is not an easy task as the ends of the cable are swaged on and don't look like they would come off real easy and not sure how you'd get the ends to stay on if you did remove them. I'll take a closer look at them later.

Springs inside the drums are used to return the shoes to the neutral position when you release the e-brake OR take your foot off the brake pedal so they aren't exactly specific to the e-brake only. I'm guessing you are not referring to them.
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Old 08-28-2014, 03:41 PM
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Quote:
Originally Posted by 66F250CS View Post
TA455HO, do you mind telling me where you got those E-Brake cables?
Brennan in Canada had them. Ebay handle PaulIsLive. Same guy that sold the 2 1964 Camper Special emblem inserts for over $400.

He did admit in his eBay ad that they were the only two of these cables that he had. Nobody else bid on them at all. They were listed as a set.

http://www.ebay.com/usr/paulislive

A few months back so the ad is no longer listed or I'd link to that, too.

I bought my 1966 Salemans Facts Book from Brennan as well. He's got some cool stuff.
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Old 08-28-2014, 03:57 PM
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Oh, also, if your cables might be good but just old and crusty and not working smoothly this might do the trick. I've soaked cables in this stuff for a few hours and they came out looking and working like new. There are other brands of this stuff out there so this is just an example.


For great rust removal Safest Rust Remover

http://www.safestrustremover.com/bef...a&btext=Inside view of brake caliper assembly ,notice emergency brake cable spring and rubber selve on cable.&atext=Notice overall condition of hardware after rust removal.
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Old 08-28-2014, 04:59 PM
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Quote:
Originally Posted by TA455HO View Post
Are you talking about the springs inside the drums that operate the brake shoe return? Or springs on the e-brake cables themselves?

The springs on the e-brake cables are built/assembled as part of the overall cable and I'm not certain if they can or can't be replaced separate from the rest of the cable. My hunch is not an easy task as the ends of the cable are swaged on and don't look like they would come off real easy and not sure how you'd get the ends to stay on if you did remove them. I'll take a closer look at them later.

Springs inside the drums are used to return the shoes to the neutral position when you release the e-brake OR take your foot off the brake pedal so they aren't exactly specific to the e-brake only. I'm guessing you are not referring to them.
I am talking about the springs on the ends of the cables. They are extremely degraded. So, unless I can find decent cables at a salvage yard I guess I do without an E-brake. I saw a post from NumberDummy from about 4 years ago indicating that absolutely no one has stock on the rear cables for my set-up.
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Old 08-28-2014, 05:51 PM
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My originals seem really nice. I can pull the cable and they operate fine and the springs didn't jump out at me as being degraded. I need to pull the rear axles/drums anyway and get the cables pulled off as part of my tear down. If they stand up to scrutiny I could send you some pics to see if they would interest you. Lifelong California truck, until it landed in my garage.
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Old 08-28-2014, 06:05 PM
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Quote:
Originally Posted by TA455HO View Post
My originals seem really nice. I can pull the cable and they operate fine and the springs didn't jump out at me as being degraded. I need to pull the rear axles/drums anyway and get the cables pulled off as part of my tear down. If they stand up to scrutiny I could send you some pics to see if they would interest you. Lifelong California truck, until it landed in my garage.
That would be fabulous TA! Please send along the pics when you can. Not too worried about lack of an E-brake for short term, but I would like to have that functionality back eventually.

Mine is a life long AZ truck and that seems to be about the only thing that has degraded. Kinda strange.
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Old 08-29-2014, 10:12 PM
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Had a chance to take some photos of the e-brake issues. First, the long springs on both rear cables are broken in half. A photo of one is posted below - kinda hard to see, but the spring is snapped in the middle. As a result it's floppy rather than stiff and does not release properly when you release the brake handle in the cab. Second, the wire like piece that attaches the base of the cable spring to the c-shaped level is all busted up. In the photo you can see how the PO must have fashioned a "new" one out of chicken-wire. There is also a coiled spring behind the pivot point where the lever attaches to the tops of the brake shoes. It has failed too and does not allow the lever to release. For now, the e-brake level and rear cables have been removed until I can find parts. Heading to Desert Valley north of PHX in the morning to have a look. Would anyone know the part numbers for the wire that holds the lever at the bottom and the one that is sandwiched behind the top of the lever? Already have the part # for the cables that no one apparently has. If the salvage yard doesn't yield it would help to have numbers to search by. Number Dummy??
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Old 08-29-2014, 11:33 PM
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Let us know the numbers in the pictures you are needing. From there we can get the full part numbers.

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Old 08-29-2014, 11:33 PM
 
 
 
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