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EFV-8 Club Forum / General Ford Discussion / 1947 brakes

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Posted By Discussion Topic: 1947 brakes -- page: 1 2     cdeac47 10-05-2020 @ 3:19 PM reply profile send p.m. Member Posts: 37 Joined: Apr 2020 You're not the only one wracking your brains. I will never buy anything from Ecklers again. Two things you can count on with Ecklers; first it will take a week to get it delivered to the west coast; second it may be the right part but it will have to be modified, or it will be the wrong part! I am happy that is over with; thanks Ecklers! TomO 10-05-2020 @ 8:27 AM reply profile send p.m. Senior Posts: 7386 Joined: Oct 2009 Thanks for posting your solution. I have been racking my brain and driving the squirrels that live there crazy, trying to figure out why a simple adjustment did not solve your problem. Tom therunwaybehind 10-05-2020 @ 7:46 AM reply profile send p.m. New Member Posts: 180 Joined: May 2019 I'll share with you a joke I made up for linings made after 1966. Are those brake shoe linings asbestos? No! They aren't even very good. I suppose the insider element is for a Sears catalog where the various items have quality ratings. Then It has to have been a Simpson Sears for anyone to be defensive about a product of the Canadian shield that was ubiquitous. cdeac47 10-04-2020 @ 10:06 PM reply profile send p.m. Member Posts: 37 Joined: Apr 2020 I know my post regarding brakes for a '47 Ford is dated, but for those that are interested here's the outcome: After numerous articles read and half a dozen phone calls made and no good remedies offered, I thought "this is a basic issue". I pulled the front drums off and measured the radius that the brake shoes make up and compared it to the radius of that the drum made up and found that the top of the shoe was close and almost contacting the drum. But the heel of the brake shoe was about 1/8 of an inch from the drum surface. The top and bottom measurements are supposed to matching one another! The big and established old car parts place in the southeast part of the country sold me the wrong shoes! I bought another set of shoes from The Early Ford Store on the outskirts of Los Angeles and installed them and viola the brake pedal came up to where it should be and it was firm too. Took the car on a road test and the brakes worked as they should. Now I can move on to other lesser head scratching fixes on the car! This message was edited by cdeac47 on 10-5-20 @ 3:25 PM cdeac47 09-26-2020 @ 4:16 PM reply profile send p.m. Member Posts: 37 Joined: Apr 2020 Tom, I was finally able to check the pedal play and it is loose. It moves a quarter inch from center left to right. I check for fluid movement in the master cylinder as I gently pushed the pedal down about a 1/4 inch an there was definitely fluid motion in the master cylinder; hence there is no free play. There is left/right pedal play due to bad bushings but I am mystified how that would cause such lousy brakes. The shoes are adjusted very close to the drums. Two things occur to me at this point; these lockheed brakes are cr*ppy and/or the shoes I bought from Ecklers are terrible. I have bought some other items from Ecklers before and haven't been very satisfied. This is my safety and if I have to buy another set of shoes I will! Any input would be greatly appreciated, Chris This is my first old Ford and my experience with something as simple as brakes is this much of a head scratcher I wonder what is next? This message was edited by cdeac47 on 10-4-20 @ 10:10 PM cdeac47 09-11-2020 @ 9:32 PM reply profile send p.m. Member Posts: 37 Joined: Apr 2020 When I was on the road test and pumped the brakes the pedal did comes up slightly. Same thing happened on the hoist. I will check the pivot and left and right play in the pedal assembly this weekend and report back. This message was edited by cdeac47 on 9-11-20 @ 9:53 PM TomO 09-11-2020 @ 7:33 AM reply profile send p.m. Senior Posts: 7386 Joined: Oct 2009 To determine if you have worn bushings wiggle the pedal left to right, there should be NO motion. Next observe the pedal at its pivot while someone operates the pedal. There should be no back and forth motion. When you pump the brake pedal does it come up or stay the same? Tom alanwoodieman 09-10-2020 @ 7:40 PM reply profile send p.m. Senior Posts: 873 Joined: Oct 2009 make sure there is clearance in the brake pedal-you just need the pedal rod to "rattle" you really don't need a 1/4" I have been using my homemade bleed jar for over 40 years with better results that power bleeding the system--take a glass jar and punch a hole into the top, place a piece of metal brake tubing in to the hole and with a j bend at bottom-use some jb weld and seal off the tube, fill jar with clean fluid until the j bend is under the fluid-hook up a rubber hose to the bleed and to the bleed jar tubing and open bleeder and slowly-READ SLOWLY-move the pedal up and down, using this method you are sure to bleed air out and fluid in with every pump. I do this with the car jacked up and just me pulling on the brake pedal arm from under the car cdeac47 09-10-2020 @ 6:42 PM reply profile send p.m. Member Posts: 37 Joined: Apr 2020 Tom: I used stepped cylinders. I am new to the Ford way of doing things. Therefore the question arises can you please elaborate on the pedal shaft bushings? A quarter inch of pedal free play would be a fantasy for me. The brake pedal does not seem to have any resistance until it travels at least half way down. There's just not enough pedal travel and hits the floor and the brakes never lock up. I used an air driven brake bleeder 3 times and it did use quite a bit of fluid. It's a fun car to drive if only I can get it to stop! This message was edited by cdeac47 on 9-10-20 @ 6:53 PM supereal 09-10-2020 @ 1:23 PM reply profile send p.m. Senior Posts: 6819 Joined: Oct 2009 It is likely that the system has not been completely bled. Bleeding these cars can be difficult without a bleeder unit. With the master cylinder lower than the wheel cylinders, it takes time and extra fluid if you are using the "pedal pump and hold" method. As my friend Tom O suggests, be sure the pedal free play is correct to allow the system pressure to release when the pedal is completely released, and the reservoir is kept full as you bleed the system. When I bleed my '47, it usually takes lots of fluid, even with DOT3. If you are trying to install silicone fluid, it is almost impossible without a bleeder. Even then, the pedal can be softer when completed. Unless you have removed more than .060 when turning the drums, arcing the shoes may not be needed.

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