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VW Super Beetle problem with master brake cylinder. No pedal after replacement?
My son's 71 Super Beetle has been a lot of fun, and occasionally frustrating. He didn't have much brake pedal and took it to a shop. They tested everything, bled the brakes, adjusted, checked the wheel cylinders and said the master cylinder was bad. But they wanted a fortune to replace it. I've replaced master cylinders on other vehicles and decided to save some money and do it myself. Bought a new one, took off the old and installed the new one. Filled it back up and began bleeding the brakes. The problem is...it's almost as if I'm not getting anything at all. My dad said it is behaving as if the master cylinder is dry? No matter how many times around the car bleeding, ...nothing. Does anyone have a trick? Or is there something I missed? Or something particular to a Volkswagen? I'm stumped.
3 Answers
- The DevilLv 71 decade agoFavorite Answer
Look in Chiltons Auto Repair manual on "Bench Bleeding" the master clinder. They'll be pretty bored in the library tomorrow, and when you come in looking for Chiltons, that'll be the high point of the day for the librarian. You might even buy a Chiltons at the car part storefor about $20. Happy Christmas.
- Firecracker .Lv 71 decade ago
Don's got a valid point. The master should be bench-bled before installation.
Interesting that one should suggest a library in this electronic age.
My first car was a '63 Bug. I couldn't find a manual anywhere (and no internet then).
I put in a request through my local library. Their system turned one up for me to borrow.
It had to be sent from another library in the state, but I got it.
- Anonymous1 decade ago
well i hate peeing in anyones cheerios but if you bought a rebuilt master it probably doesn't work, or you didn't bench bleed it properly, assuming you bench bled it the easiest way to tell is to disconnect the lines and put the plastic screw in plugs it came with back in, assuming it wasn't so cheap that it didn't come with them, if so you'll need to find a set that screw in, then mash the pedal to the floor if it blows out the plugs it's OK , if not it doesn't work. back to square one. if you can only find metal plugs the pedal wont go to the floor if it's good
