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01-26-2022, 07:14 AM | #1 |
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1940 Brake rebuild not right:
On a stock 1940 Ford I have all new wheel cylinders,new shoes and new master cylinder and hoses.Brakes are adjusted snug on drums,system bleed.Everything seems to be good?My problem is I still have less than half a pedal?Pedal seems to be hard not spongy.Any thoughts on what could be wrong?
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01-26-2022, 07:21 AM | #2 |
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Re: 1940 Brake rebuild not right:
Adjusted push rod from pedal to master?
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01-26-2022, 07:33 AM | #3 |
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Re: 1940 Brake rebuild not right:
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01-26-2022, 08:28 AM | #4 |
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Re: 1940 Brake rebuild not right:
It has to be adjusted so there is some free play, a little bit of pedal movement before the master cylinder piston moves.
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01-26-2022, 08:48 AM | #5 |
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Re: 1940 Brake rebuild not right:
Did you adjust the eccentrics on bottom off backing plate. Must have play in pushrod to piston in master cylinder with foot off brake pedal as stated. Eccentric adjustment super critical. And super easy
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01-26-2022, 08:57 AM | #6 |
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Re: 1940 Brake rebuild not right:
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01-26-2022, 09:25 AM | #7 |
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Re: 1940 Brake rebuild not right:
Have you checked drum diameter. worn drums can cause pedal travel problems.
John
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01-26-2022, 09:26 AM | #8 |
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Re: 1940 Brake rebuild not right:
Should have 1/4"to 1/2" of free play on the pedal. You may still have some air in the lines.
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01-26-2022, 09:47 AM | #9 | |
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Re: 1940 Brake rebuild not right:
Quote:
Seems like he worked on it a long time to still not have a pedal. These brakes are simple & work great but the basics must be correct. |
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01-26-2022, 09:51 AM | #10 |
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Re: 1940 Brake rebuild not right:
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01-26-2022, 11:39 AM | #11 |
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Re: 1940 Brake rebuild not right:
As I stated earlier the shoe arc must match drum arc. If drums have been turned the the shoes no longer match drums this greatly effect’s pedal travel and lack of a firm pedal. The shoe adjuster just pushes the closest point of shoe to drum. The rest of shoe can be a long way off drum if eccentrics are not adjusted correctly. The eccentrics center the shoe in the drums. These are both so important that they are correct for a good pedal and stopping power.
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01-26-2022, 05:04 PM | #12 | |
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Re: 1940 Brake rebuild not right:
Quote:
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01-26-2022, 06:27 PM | #13 |
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Re: 1940 Brake rebuild not right:
This 40 brake issue is a nightmare!I have done some checking and found out shoes may not fit the drums,my drums may be worn out of limits,new drums are no good,new linings are to hard and wear out drums and I have no one in my area that has the slightest idea about the brakes on this car!Sorry I am just confused!Oh and I forgot to mention all the parts are NOT made in the USA,so good luck on quality stuff! Of coarse I know it is like this with most of parts now!
Last edited by 40ford; 01-26-2022 at 07:37 PM. |
01-26-2022, 06:51 PM | #14 |
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Re: 1940 Brake rebuild not right:
G’day mate. Did not get your PM. I can possibly help. I’m also close. I believe you know where I live. 6 more days at RFK then working out of my shop. Do have a lot of work already booked. Cheers I can also re-arc shoes.
Tony |
01-26-2022, 06:57 PM | #15 |
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Re: 1940 Brake rebuild not right:
Thanks Tony,are you just still off of 485?What do I need to do to set up a time to leave you my car? Thanks,Russell
Last edited by 40ford; 01-26-2022 at 11:22 PM. |
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