Bleeding brakes is one of the less enjoyable tasks in auto maintenance. Certain tricks simplify the job , though, and make a helper unnecessary. Pressurized brake bleeders offer this convenience, but they can be pricey. Alternatives work just as well, and can be made at home for a fraction of the cost.
Remove the sprayer hose from its body by using the dikes pliers to cut the band securing it. If the hose is difficult to remove, use the knife to slit the hose lengthwise and it will then slide off.
Locate the vent hole in the new master cylinder cap. Seal it with a generous amount of RTV silicone. Allow to dry overnight.
Drill a hole in the center of the master cylinder cap just big enough for the threaded end of the ¼ inch hose fitting to fit into snugly.
Place a flat rubber washer onto the threaded end of the hose fitting and insert the hose fitting's threaded end into the cap.
Secure the hose fitting to the cap by attaching the nut to the threaded end and tightening it down.
Attach the clear hose to the nipple end of the hose fitting and secure to the fitting with a small hose clamp.
Attach the other end of the clear hose to the outlet nipple on the pump sprayer and secure it with a small hose clamp.
Drain the fluid from the master cylinder. Refill it to the top with fresh brake fluid.
Add a quart or two of brake fluid to the sprayer and tighten down its handle.
Screw the cap on the end of the bleeder hose onto the master cylinder.
Pump the sprayer four or five times to build pressure.
Place a small length of ¼ hose onto the end of the brakes bleeder screw and insert the end into a clear bottle. Loosen the screw and let fluid drain into the bottle until no more air appears. Repeat for each brake, adding more pressure to the sprayer as needed.
When finished, slowly loosen the sprayer top to relieve leftover pressure, disconnect from the master cylinder and top off the master cylinder if needed.
