After evacuating about 2-inches of fluid into the jar, close the fitting and refill the master cylinder with new brake fluid. Now, with all the ports plugged, position the cylinder push-rod end at a slightly lower angle than the opposite end. That's why manufacturers recommend replacing the brake fluid in your car every two or three years. 4. Raise the angle of the push-rod end again and bleed the cylinder again through the ports. Learn about the different types of brake valves. Thoroughly clean the bleeder screw to prevent oil or grease from entering and blocking the bleeding tube. Watch the fluid level and don't let it go beyond the MIN mark to keep air out of the system during the bleeding or flushing procedure. Ultra Lite Brakes 900-1012 Hot Fluid Brake Fluid, 12 Oz. Select the appropriate adapter(s). The order in which you need to bleed the brake system (assuming you are bleeding all four brake lines) changes for front-wheel drive and rear-wheel drive models. When you finish bleeding the four brake lines, check that you have tightened all bleeding screws. Keep adding new brake fluid to the reservoir during the bleeding procedure. Whether you're replacing components or building your brakes from scratch, you may wonder what size master cylinder or booster to use. Affix at least a 12” piece of tubing to the other reservoir jar port. Our video tutorial will walk you through the process. So using brake fluid a few weeks old will rust components in your brake system at a rapid rate. Now you can install your new brake master cylinder. Speedway Motors has created a guide to show you step-by-step how to manually bleed your brakes. 1. I also ask him to check out the Phoenix System website at www.brakebleeder.com , click on “media” and watch the demos. Hope this helps. We get a lot of questions about brake kits so Tim gives a brief overview of disc brake setups. Attach adapter and pump assembly, and pump 10 to 15 times. Connect the bleeder tubing to the bleeder screw. The rear brakes hold pressure but the front side will not bleed. Looking in the MC reservoir, is a tiny hole. Otherwise, you'll need to start purging the system all over again. We also diagram both single flare and inverted double flare fittings for you. Answer: Check the level of the power steering fluid or the corresponding pump if your brakes are equipped with a separate one. Ready your vacuum pump by connecting the reservoir jar and the appropriate tubing and adapter that will connect the jar to the bleeder valve or screw in the wheel cylinder or caliper to prevent outside air from being sucked into the jar as much as possible. We offer a guide to follow when selecting a new set of brake pads for your race car. Place wrench on brake bleeding fitting. Wilwood 290-0632 570 Brake Fluid, 12 oz Bottle. 13. 18. Thanks for dumbing it down for me. I also explain how to preload the bleeder with brake fluid using our patented priming system. 15. Repeat all previous steps on all remaining wheels. I then realize that Dave was only vacuum bleeding his brakes, instead of combining that with reverse or pressure bleeding. Learn how to bench bleed a new master cylinder. Next, I ask Dave to take just a few minutes and watch the short training videos included with his tool and read at least the Quick Start portion of the user’s manual. Dan Ferrell (author) on February 29, 2020: You can check the process in your vehicle repair manual. The story begins like this. When the lever is released, this port must be exposed. We have checked everything, pumped the pedal about 1,000 times and even "pressure bled" it. It doesnt seem to have any pressure coming out of the front side of the master cylinder as weve even tried loosening the line at the master cylinder and dont get any pressure. The L-shaped universal adapters should fit snugly over the brake bleeding fitting in order to seal properly. Choose the correct line wrench size to turn the bleeder screw open and close. Vacuum assist brake units require sufficient vacuum to operate correctly. The vacuum pump is an extremely versatile service tool that can be used to perform a number of useful tasks. Repeat the bleeding procedure in the other port(s). But a hand-held vacuum pump offers a one-man option to bleed the brake system by yourself. Removing the air before installation is critical. Photo courtesy of schwartz.mark on Flickr. 7. Keep pumping until the fluid level in the jar is about an inch from the cap.