Aceshigh

I've NEVER bled brakes before, so I'm totally new to this.
Let me just throw that out there. I've CHANGED disc brakes SEVERAL times.
But never done any bleeding.

Now, I have a 1970 442 clone that I'm going to remove the 12 bolt Olds out of and put in a real 12 Bolt rear end with Baer 11" rear disc brakes. I have front disc brakes stock. So I'm going to swap out the master cylinder to a 1979 Corvette dual disc master cylinder and a baer adjustable prop valve. I know I have to bench bleed the MC first, but the rest I'm not sure how to do with just 1 person.

What I need to know is any tips on how to do this because this is all going to be me popping my cherry with a one man show here. I've seen they have some brake bleeding hand pumps, but I'm completely in the dark on how these are used or what the BEST and most effective method of bleeding brakes is.

Any tips or procedures that would make this a non-headache experience are greatly appreciated. Any brake bleed pumps or parts I can get I'm fully interested in as well.

joe_padavano

The best way to bleed brakes is to use an air-powered vacuum bleeder like a Vacuula (Yeah, I know. I didn't make that name up...) I have one of these and it is absolutely the best, easiest way to bleed brakes (you don't even need to bench bleed the MC).

The second best way is to get a helper.

The third best is to use a MityVac or similar hand pump. The problem with these hand pump tools is that air will leak in around the bleeder screw threads. The powered vacuum tool pulls a constant vacuum, so this is not a problem. The hand pump will unfortunately loose vacuum due to this thread leakage in between pumps. Some people use wheel bearing grease on the threads to seal them, but frankly I've never solved this problem completely, which is why I have the Vacuula tool.

The other brake bleeding question is which wheel to start with. I have CSMs that say the closest to the MC and other CSMs that say the farthest. Frankly, on a dual circuit system, it doesn't matter. The front and back are independent. The only problem will be if you are running a differential pressure switch and the spool valve gets stuck all the way to one end.

2blu442

Joe, do you have a source for the Vacuula setup?
John

gearheads78

I borrowed on from one of the techs at work and it was a big mistake. 2 weeks later Snap On truck had one discounted because it was a display. Its now home in my shop. I have seen them on the tool trucks but on line too. Just ebay or google search Vacuula.

PS they are air powered so you need a air compressor too.

henryk8398

I bled my entire brake system myself simply by replacing the bleeder screws with Speed Bleeders. If you are not familiar with them, they are a bleeder screw with a check valve so they can only let out fluid, and (hopefully) nothing back in. Note: I didn't need to bleed the master cylinder.

RAMBOW

I want to get one of the motive power bleeders... A friend has a homemade one using a yard sprayer and it is so simple to use its insane...

Basically fill it with brake fluid- attach to the Master Cylinder- pump it up- and then go crack the bleeders one at a time...

Simplest way I've seen to bleed brakes.

Here is a set of insturctions i found online for making your own:
http://herald-tips-tricks.wikidot.co...-brake-bleeder

Or for $70 you can buy one ready to go...
http://www.amazon.com/Motive-Product.../dp/B0002KM5LU

RAMBOW

a better homemade pressure bleeder write up...

http://www.bmw-m.net/TechProc/bleeder.htm

Indy_68_S

There's always the gravity method.....no special tools/parts/helpers needed !

chequenman

10-4 "x 2"

Aceshigh

I looked at the Vacula and this one , and I found the proper application
for my master cylinder I'm putting in both my Camaro and Olds.

http://www.brakebleeders.com/0105-re...r-bleeder.html

It's 1/3rd the price of the Vacula, and I can't find any video's on the Vacula at all.
It does seem to be a high quality product though.....just wish I could find video.

Thanks alot guys.
Alot of options I didn't know about. I would PREFER the Vacula, but for $200......that hurts.

joe_padavano

Why do you need a video? The link you provided is a pressure bleeder. The Vacuula is a vacuum bleeder and connects at the bleeder screw, not at the M/C. I found my Vacuula used at a swap meet for $15. No one else knew what it was. Been the best $15 I ever spent on a tool.