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Question:

gravity bleeding a brake system?

Can someone give me the procedures to gravity bleed a brake system?

Answer:

you pop the master cylinder brake lid off then crack the bleeder screw on the farthest wheel away and let it bleed. After its running clear tighten it up then crack the next one loose then do the fronts closer to the wheels. i hope i didn't confuse you. haha hope it helps
There is no such thing as gravity bleed. You either pressure bleed, with high or low pressure, and there is vacuum bleed. You start by filling the reservoir, making sure the back brakes are adjusted, and then bleed the furthest wheel first. Whether you use low pressure or high pressure, depends on whether or not the lines are empty. But I will assume you have not removed any brake component, so the lines are not empty and you can use a high pressure bleed. Then what you do is have someone pump up the pedal and hold it down. You open the bleeder until the main pressure squirts out, but close it before it is all gone. Repeat until no bubbles or dirt. Check fluid. Move on to next wheel.
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Gravity Brake Bleeding
The easiest way to do it and you can do it by yourself is get a rubber hose that will fit in the bleed nipple and a gallon jug. Fill the jug 1/8 th full of new brake fluid put the hos on the nipple and insert the hose into the jug. Make sure it is in the brake fluid. If you need to tie a nut to the end of the tube so it will stay in the fluid. Crack open the bleed nipple furthest from the brake master cylinder and remove the master cylinder cover and fill it up almost all the way. Place the lit back on the cylinder so fluid doesn't spray all over. It will get all over. Now get in and slowly press the brakes 3-4 times and check the fluid level if it's not down to far then you can go 6-7 presses before checking the fluid. Run one cylinder full through the system using this method repeat at each wheel working your way closer to the master cylinder. Make sure you don't run the cylinder dry and suck air. If you do then you will need to start all over. Also don't forget to tighten the bleed nipple prior to removing the tube from the nipple. You will replace all the fluid and remove all the air and do it in about 1/2 hr.

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