Bleeding Brake lines

[jigstick]

Ruptured a 3/16 brake line the other day. Upon inspection of the brake lines I noticed some others that needed replacing. So I ran 3/16 metal line from the master cylinder actuator on the tongue back to the first axle. Then ran rubber lines from there to all 4 drums. It's a tandem axle with surge brakes.

To bleed I just attached some clear rubber hose to the bleeder valves and held it vertical to a height above the master cylinder. Cracked the bleeder. Then pumped the actuator with a 2x4 until the fluid was a good 8in up the clear tubbing. Then I tightened the bleeder valves. Does this sound appropriate???

[lakebound88]

Did you see air first? The proper way is to Crack the bleeder while brakes applied. Then close bleeder screw. Release brakes. And repeat until all air is gone.

Nick

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[jigstick]

When I first started bleeding I would get air bubbles bubbling up the tube. So I kept pumping until no bubbles came out. Then pumped some more until I saw the fluid level rising in my tubing. Once I got some 8inches of head pressure I closed the bleeder. I did this with each of 4 drums. Once all were bled I went back and did each one again

[lakebound88]

Sounds like ya got it. If you're ever near a harbor freight. Invest in a vacuum bleeder. They are great. All ya do it put the tube on the nipple and suck fluid to ya. No forcing it through the system.

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