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Old Dec 15, 2012 | 05:43 PM
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ford dully

1997 ford f 350 2 wheel drive.it seems like my brakes act weird to me. ibeen a fors man my whole life. this only 2 7.3 i had, it seemd when i press brakes and not hard the anti kicks in to soon or it seems like the back wheels lock up. schould i replace the anti brake sencors they dont cost much
 
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Old Dec 15, 2012 | 05:55 PM
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adjust your rear shoes.
 
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Old Dec 15, 2012 | 06:00 PM
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Pull your drums and check for axle seal leaks and wheel cylinder leaks. Believe it or not, oil on the shoes will make them lock up faster
 
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Old Dec 22, 2012 | 07:12 PM
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Originally Posted by Diesel_Brad
Pull your drums and check for axle seal leaks and wheel cylinder leaks. Believe it or not, oil on the shoes will make them lock up faster
i have replaced master cyl and bleed brakes. When I turn truck on brakes will slowly go to floor
 
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Old Dec 22, 2012 | 10:09 PM
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Your going to have to bleed them again. I just rebuilt my rear dually's brakes and I gravity bleed them. They work great now. Not everybody agrees with me but gravity bleeding works.
 
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Old Dec 22, 2012 | 10:10 PM
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You just open them up and wait how long ?
 
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Old Dec 22, 2012 | 10:23 PM
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Originally Posted by colokerrie
i have replaced master cyl and bleed brakes. When I turn truck on brakes will slowly go to floor
You have to bleed the master, then bleed the brakes.

Check the booklet as to bleed to the front or back line first. just crack it open and bleed it out. There will be air in the master.

Then you must bleed the RABBS unit under the truck. it's on the frame rail strait down from the dash on the drivers side.

Then bleed the rear brakes.

Bleed the rabbs unit again. bleed the rear brakes and then bleed the front.
 
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Old Dec 22, 2012 | 10:23 PM
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Originally Posted by oldbird1965
Your going to have to bleed them again. I just rebuilt my rear dually's brakes and I gravity bleed them. They work great now. Not everybody agrees with me but gravity bleeding works.
It worked so good for me that It drained my whole system.

Gravity bleeding does work if you get the adjustments right and you can keep an eye on them.
 
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Old Dec 22, 2012 | 10:29 PM
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What is the rabbs
 
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Old Dec 22, 2012 | 10:40 PM
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I crack it open, let it drip as I tap on it with a small hammer, then close it. I'll do this several times, then the next day do it again. Its not fast but works for me. As its sitting inbetween letting it drip I'll tap it with a hammer.
 
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Old Dec 23, 2012 | 07:54 AM
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what is the rabbs ?
 
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Old Dec 23, 2012 | 11:02 AM
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Our trucks have what they call "rear anti lock breaking system"

RABBS for short.
 
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Old Dec 23, 2012 | 11:51 AM
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So do I need to bleed the rabbs
 
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Old Dec 23, 2012 | 12:40 PM
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Originally Posted by colokerrie
So do I need to bleed the rabbs
Yeah, if you get air in the system and it gets to the rabbs, its a pain to bleed.

Might have to tap on it a bit to make sure the bubbles jar loose.

If you get air in this thing your brakes will never work.
 
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