While gravity bleeding my brakes, I accidently let the reservoir run dry. After extensively bleeding my brakes, I'm pretty sure there's air in my master cylinder. Does any one have one of those universal master cylinder kits with the different size fittings? They are inexpensive, but all the usual suspects don't carry them in stock. If anyone is willing to let me buy/borrow one I would be really grateful! I could have it back by the end of the day.

Thanks
- James

 

Hope you where able to get it re-bled.

 

You can always pedal bleed it to get the majority of the air out, drive it for a day or two, then gravity bleed, then drive for a day or two, then gravity bleed. Drive it for a week or two, then do one more fart on each caliper to make sure the air is gone.
I had to do this after I did my stainless steel brake lines.

Make sure to use cheap fluid when you do all these bleeds. Then again, you don't need to be running ATE or Motul on a street/autocross car.

 

I think I've gotten 98.5% of all the air out. The brakes work fine, lock up when they're supposed to, and they're pretty easy to modulate. They still seem a little soft, but it could be my imagination.

 

I had to do multiple bleeds on mine when I replaced the Master and Slave Cylinders along with the SS lines.

 

There probably is a bit of air in the system. Cycle through the ABS a few times and drive it around for a week or two. Take the wheels off and "fart" each caliper and then gravity bleed it for a bit. Some of the air will work its way up the system, some down. It may just take one or two more bleeds to get it right.
I felt the exact same way you do right now after I did my SS brake lines, it just didn't feel quite right even after I beld the pee out of them. There was quite a bit of air in each caliper after I drove it around for a bit, and I now have a ROCK solid pedal. It just takes some time for the air to move around the system.

 

Thanks for the tips. I'm going to try this over the weekend, along with a master cylinder bleed. I just decided to order a kit, since I need to do it on my e30 as well. Can't wait to have my brakes back. They've been giving me trouble for a pretty long time.

 

E30?

 

Not sure if you're asking if I got air into the system on my e30, or if you're asking what an e30 is.

To the first option: Well, it looks like I have air in the brake system on both cars lol I ordered a universal bench bleeding kit for metric-threaded systems. I should be able to flush out both cars this weekend. I'll post back with results.

To the second:

 

Wow. Just realized how ugly the car looks in that picture :'( and that RC-car antenna bugs the hell out of me! It's going away, BCUZRACECAR

E30 hoods are awesome looking, though