[[:techtalk:menu|{{ :techtalk:gototechnicalmenu.jpg|}}]] ====== REF: Tools - 163 ====== \\ ====== Bleeding Brakes ====== [[techtalk:ref:wheels06#bleeding_the_brake_lines|Click here]] for the full article on bleeding brakes in the Sportsterpedia. \\ ====== Vacuum Pump ====== ===== Using a vacuum pump ===== You can get an inexpensive vacuum bleeder at most auto parts stores. ((stealthammer of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-drivetrain/sportster-motorcycle-tires-wheels-and-brakes-aa/95063-help-q-re-replacing-fluid-after-installing-brake-line?t=791904)) \\ Basically, you suck the fluid out of the system's hoses, calipers, and master cylinder using a small hand held vacuum pump (known brand: Mighty Vac). ((Joebug of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-drivetrain/sportster-motorcycle-tires-wheels-and-brakes-aa/195114-brake-upgrade-can-t-bleed/page2?highlight=mighty+vac#post4244079)) \\ You draw all the air out with the brake fluid. \\ But it doesn't always work when tiny air bubbles are trapped in crevices etc. inside the internals of the master cylinder. \\ The Mighty Vac below is relatively inexpensive. \\ [[https://www.youtube.com/watch?v=qTySPh9xXJs|Here is a video on it also]] \\ |Mighty Vac for sucking brake fluid from the master cylinder and out the bleeder screw. ((photos by cat5752 of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-era-specific-and-model-specific/ironhead-sportster-motorcycle-talk-1957-1985/57107-simply-bleeding-the-front-brake/page2?t=295754&page=2))|| |{{:techtalk:ref:tools:mighty_vac_1_by_cat5752.jpg?direct&250|}}|{{:techtalk:ref:tools:mighty_vac_2_by_cat5752.jpg?direct&400|}}| Here is the Harbor Freight version: \\ |Pittsburg Brake Bleeder Vacuum Pump ((photo by SarahColt of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-general-discussion-and-problems/163701-sarah-needs-help-fixing-her-bike/page77?t=1759703&highlight=shift+shaft+o-ring&page=77))| |{{:techtalk:ref:tools:hf_brake_bleeder_vacuum_pump_kit_by_sarahcolt.jpg?direct&250|}}| ===== Homemade Vacuum Setup ===== |Homemade bleeding system using a vacuum \\ cleaner and a canister. ((photo by Bob F of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-drivetrain/sportster-motorcycle-tires-wheels-and-brakes-aa/173094-what-tool-works-on-brake-caliper-mounting-screw/page2?t=1857463&page=2))| |{{:techtalk:ref:tools:homemade_brake_bleeding_system_by_bob_f.jpg?direct&300|}}| ====== Syringe ====== |Syringe with pointed tip for blowing out the holes in \\ the master cylinder reservoir. ((photo by Loves Curves of the XLFORUM https://www.xlforum.net/forum/sportster-motorcycle-forum/sportster-motorcycle-drivetrain/sportster-motorcycle-tires-wheels-and-brakes-aa/135422-05-rear-brake-master-cylinder/page3?t=1464105&page=3))| |{{:techtalk:ref:tools:syringe_for_bleeding_brakes_by_loves_curves.jpg?direct&300|}}| \\ [[:techtalk:menu|{{:techtalk:gototechnicalmenu.jpg|}}]]