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Old Sep 13, 2022 | 07:48 PM
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Brake bleeding help

I went to bleed the brakes on my 1975 F350. Disk front drum rear. I drove it down the road to see how itll do and it pulled to the right Quite a bit. I decided that bleeding the brakes and putting in new fluid would help but when I loosened the bleeder nothing happened. So I removed it and pumped the brakes. No fluid is coming out. What should I look for? Truck sat 20 years without moving. Any help is much appreciated. TIA
 
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Old Sep 13, 2022 | 08:01 PM
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Have you done a brake job before?

No fluid means the MC is empty, something is blocked, the caliper is stuck or some other issue that will require the brake components to be removed, inspected, repaired or replaced.

But wait--was someone standing on the brake pedal when you loosend the bleeder?

Do you have fluid out of the other bleeders?

Chances are you have multiple issues with sitting that long. If you find rusty water or any rust, you need to rebuild or replace the wheel cylinders for that axle. Rust will lead to a leak as the seals will be compromised by any roughness in the cylinder.

You should inspect the lines for external rust and replace as needed.

 
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Old Sep 13, 2022 | 08:05 PM
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Originally Posted by 85e150
Have you done a brake job before?

No fluid means the MC is empty, something is blocked, the caliper is stuck or some other issue that will require the brake components to be removed, inspected, repaired or replaced.

But wait--was someone standing on the brake pedal when you loosend the bleeder?

Do you have fluid out of the other bleeders?

Chances are you have multiple issues with sitting that long. If you find rusty water or any rust, you need to rebuild or replace the wheel cylinders for that axle. Rust will lead to a leak as the seals will be compromised by any roughness in the cylinder.

You should inspect the lines for external rust and replace as needed.
Yeah I've done brakes before. I initially did it with a hand pump from harbor freight. But nothing came out. And there was fluid in the master cylinder before I started. I then completely removed the bleeder to see if it was the issue. It is not. I tried pumping the brakes from inside with no bleeder and nothing came out of the caliper and no fluid went down in the MC.
 
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Old Sep 13, 2022 | 08:27 PM
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have you checked your hoses for plugging, swelling. you might not be getting anything to the caliper at all, even tho MC is full. hoses are pretty cheap. loosen and see if it's plugged.
 
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Old Sep 13, 2022 | 08:33 PM
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I have not. Just the hose with the banjo bolt to the hard line? And driver front is the only one I tried since It was the problem corner
 
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Old Sep 13, 2022 | 08:41 PM
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yes. your rubber hoses at the front that transfer fluid from the hardlines to your calipers. whichever side it is pulling to, I would start there...as that is a partially seized caliper and hopefully you just need to replace a hose or two. you'll know you have a problem when you look in that hose if its gummed up.
 
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Old Sep 14, 2022 | 09:26 AM
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Originally Posted by Adrian Arnold
I went to bleed the brakes on my 1975 F350. Disk front drum rear. I drove it down the road to see how itll do and it pulled to the right Quite a bit. I decided that bleeding the brakes and putting in new fluid would help but when I loosened the bleeder nothing happened. So I removed it and pumped the brakes. No fluid is coming out. What should I look for? Truck sat 20 years without moving. Any help is much appreciated. TIA
What does the pedal feel like ?
 
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Old Sep 14, 2022 | 12:47 PM
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Originally Posted by mark a.
What does the pedal feel like ?
Loose enough to not close the brake light switch all the way. And tight enough to stop me. Just pulling to the right. And no fluid coming out of the left caliper. Where can I find a break down of parts? Looking at the back side It looks more complicated then my 97 F150
​​​​​​
 
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Old Sep 14, 2022 | 03:19 PM
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Did you check the other bleeder ? If it's not doing anything either then the prop valve is probably tripped and all you have is the rear brakes, that at the least need adjusted. Sitting so long hasn't done it any favors.
 
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Old Sep 14, 2022 | 05:33 PM
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No I haven't yet. Gotta mow and hope I have enough daylight. It was the first one I tried. I know the passenger front works as the rust is scraped off
 
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Old Sep 16, 2022 | 09:34 AM
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Took the hose off and pressed the brake. Fluid came out the hard line. Reconnected the hose while banjo bolt was out and nothing came from it. Went to O'Reilly's and got a hose. Will update when I get it on. Does anyone know if this is like a normal caliper where it's 2 bolts and it comes off? Would like to grease the slide pins eventually.
 
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Old Sep 16, 2022 | 10:35 AM
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Originally Posted by Adrian Arnold
Loose enough to not close the brake light switch all the way. And tight enough to stop me. Just pulling to the right. And no fluid coming out of the left caliper. Where can I find a break down of parts? Looking at the back side It looks more complicated then my 97 F150
​​​​​​
Pulls right because the left caliper is not releasing and causing the left to over heat I'll bet. No fluid, sounds like caliper is fubar stuck in mount or piston to bore? If was a hose, would expect a spurt of fluid when the bleeder is cracked open.

I see now, you have a hose and it's a F-350. Those two bolts maybe hold a key with a flat spring that once removed will let you take the caliper upward and out of the bracket? I'm just not so familiar with the brake calipers on a old F-350.

 
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Old Oct 7, 2022 | 07:38 PM
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I replaced the brake hose on driver side. And bleed all 4 corners. Ended replacing the master cylinder too. But still suspecting all 4 need a brake down and refresh. Good 'nough for the girls I go with, for now. Appreciate the help!
 
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