5) Vince Bunting of C. H. Topping demonstrates the vacuum method of bleeding. It creates a venturi effect in the can from air pressure and draws about 12 inches of vacuum at the bleeders. This method of bleeding should also be done by a professional that knows how to use the equipment.

7) DOT 3 is regular passenger car brake fluid that has a wet boiling point of 284 degrees, while DOT 4 is more high performance and has a wet boiling point of 311 degrees. Both will absorb moisture if left open and should be thrown away when stored this way. They are designed to absorbed moisture out of your brake system instead of letting the water puddle up in the system.

C.H. Topping & Company
520 W. Esther St., Long Beach, CA 90813
(562) 432-0901
email: chtop@earthlink.net

6) Neward Industries makes a bottle attachment lid for their adapter plates to hold the bottle upside down on the top of the master cylinder while you bleed the brakes, without running out of fluid. It works just like a bird water feeder. As the level goes down, more fluid flows in.

8) The rubber seal in the lids of all American master cylinders keep the fluid from flowing back into master cylinders that are mounted lower then the wheel cylinders. Bad master cylinder lid seals, or vented caps, will allow fluid to flow back into a low-mounted master cylinder.