Master Cylinder and Brake Bleeder
by tomzi1234 in Workshop > Cars
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Master Cylinder and Brake Bleeder
![IMG_20201130_101057.jpg](/proxy/?url=https://content.instructables.com/FLU/HHEB/KI34Y3ST/FLUHHEBKI34Y3ST.jpg&filename=IMG_20201130_101057.jpg)
I want to do my cars brake serviced, and i was looking for a brake bleeder. And all i saw was expensive spray bottles.
So why i don't do it at home.
All you need is:
small (1,5L) garden sprayer, (6 €)
1/2m of silicone hose (around 1€)
3d Print a brake reservoir cap
I designed a reservoir cap in Fusion 360 and print it.
For those that don't want to design their own, here is a link to my design:
https://www.thingiverse.com/thing:4670182
It is for Ford. But the thread is M48, so it will suit for other cars with this diameter.
Assemble
![IMG_20201130_101109.jpg](/proxy/?url=https://content.instructables.com/FVT/G4N5/KI34Y3SP/FVTG4N5KI34Y3SP.jpg&filename=IMG_20201130_101109.jpg)
![IMG_20201130_101104.jpg](/proxy/?url=https://content.instructables.com/F35/QS5J/KI34Y3SQ/F35QS5JKI34Y3SQ.jpg&filename=IMG_20201130_101104.jpg)
After printing a cap, it doesn't left much to do. (i also print O-ring with TPE, but you can buy one for a couple of cents, but you will need it to hold the pressure.)
Just an screw the spraying cap of a sprayer.
Than use a hot air gun to heat silicon hose and slide it on a sprayer.
That's it.
For a 6-7 € you got a bleeder that normal cost around 60+ €
Now just fill it with brake fluid and use a pump to get so pressure. but don't go crazy. 1/2 Bar is more than enough.
And use a zip tie or someone to hold the valve open during bleeding the brakes.