Anybody have luck with Speedbleeder brand one way check valves for bleeding brakes?

I never had that problem. Air will only be sucked back in when the pedal is allowed to return to its natural settting after pumping the pedal.. The pedal must be held down until the bleeder screw is tightened.
But that’s the point of the speed bleeder. That it has a seal that avoids the air pullback. So you don’t have to hold the pedal down and close the valve.

I have been using Speed Bleeders for many years without any issues on a number of cars. I'm talking about the actual brand Speed Bleeders rather than similar products by other manufacturers. I get the stainless steel versions.

Stahlbus makes nice looking speed bleeders. A bit pricey. If anybody here has tried them, please let us know how you like them.

I assume your experience in using them as a one person self-bleed situation. Do you put anything around the threads? I know @The Critic has spoken about vacuum pulling air back in, and. Obviously there will be some level of vacuum as the pedal and pads retract, even on a bleed setup. I’m interested in these as well for older American vehicles that don’t have an easy setup for a motive bleeder.
 
But that’s the point of the speed bleeder. That it has a seal that avoids the air pullback. So you don’t have to hold the pedal down and close the valve.



I assume your experience in using them as a one person self-bleed situation. Do you put anything around the threads? I know @The Critic has spoken about vacuum pulling air back in, and. Obviously there will be some level of vacuum as the pedal and pads retract, even on a bleed setup. I’m interested in these as well for older American vehicles that don’t have an easy setup for a motive bleeder.
Well shops have told me at the end of the day there is nothing like the pressure that a pedal can put on the brake system. Where there is air in the system from replacing brake lines front to back or side to side. Sometimes air gets in difficult to remove places.
 
I bought a set of them for my Harley years ago. I put them in, and they worked as advertised. Made bleeding the air out alot easier when doing it by yourself. I only used them to bleed the brakes once. I don't know,, or can't say if I tried it 5 years later if they would still work as intended.,,
 
Did you bleed it with the car on or off?

Do you have ABS?
I did it at home where I don't have air, so I used my MityVac pressure bleeder followed by pumping the pedal with the truck on. The truck has ABS and of all its issues, the pedal feels fine? I also have braided stainless brake lines so there is that.
 
I assume your experience in using them as a one person self-bleed situation. Do you put anything around the threads? I know @The Critic has spoken about vacuum pulling air back in, and. Obviously there will be some level of vacuum as the pedal and pads retract, even on a bleed setup. I’m interested in these as well for older American vehicles that don’t have an easy setup for a motive bleeder.

There is a dry thread sealant of some type on the threads. It doesn't seem to lose its sealing effectiveness over the years with normal use. For users who track their cars and who bleed their brakes frequently, Speed Bleeders offer a small bottle of thread sealant.
 
I bought a pressurized bleeding setup for my Civic, and consider it money well spent. No need for a second person to press the brake pedal. And it was fast and effective.
 
Ditched Speedbleeders?
Yep. I tried them once - but they never worked as advertised. They let air into the system. I pressure bleed.

Since you’re short on funds, and have this problem, try wrapping them in teflon tape, and reinstalling them.

You’re hoping to prevent air from getting in to the caliper through the threads.

And let up slowly on the pedal - the faster you move it, the more likely air is to get get through the threads.
 
I should probably mention is use a pressure bleeder in conjunction with Speed Bleeders. I don't see any way for air to get into a pressurized system during the bleeding process.
 
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