About Rocky Racoon Expertise Most questions that relate to interior, and exterior equipment removal, and re-installation. Also, mechanical repairs of the engine, and the axles, and the brakes.
Experience 35 years auto repair experience. 3 years specifically Volkswagen. 10 years ago, graduated from general technical college. Deans list graduate. One of several hundred, out of several thousand to compete, and win recognition within Volkswagen for knowledge, and excellence.
Expert: Rocky Racoon Date: 10/11/2007 Subject: 1973 super beetle brakes
Question When I push on the brakes they go right to the floor I replaced the front brake hose right side, both front wheel cylinders and the master cylinder. the rear brakes looks good. When I try to bleed the brakes they will pump up but after 5 minutes there is no pressure. when I bleed the the brakes I hooked a hose to the bleed screw and put the other end in a container with fresh fluid in the bottom then I had my son pump up the brakes I then broke lose the bleed screw I did this until no air came out of the bleed screw and I did it from the farthest away from the master cylinder to the left front. This didn't do any good so I tried another way that I found on the Internet and i was done by placing the hose that was attached to the bleed screw in a bottle of brake fluid and brake lose the bleed screw and pump the brakes until no air was seen in the clear tubing. This worked better but I still have the same problem after a while I lose the pressure. what could be causing this?
Answer Hello Chuck;
It almost sounds like there is a loose fitting, or union. I'm sure you made them as tight as you could, but look them all over one last time. The other possibility is there may be a "cross-threaded" union. It's funny that you don't seem to say anything about a puddle of brake fluid from a leak. If there is air getting into a closed system, it must be displacing fluid. There should be a puddle someplace.
Look for that first. I hope this helps. Good luck!
