Master cylinder
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Laughing Gas
Joined: Mar 2016
Posts: 757
Likes: 43
From: Cheyenne, Wy
Master cylinder
79 bronco ( although that doesn't matter)
I have always read to bench bleed the MC then install in vehicle. WHY? Why not install in truck and very slowly push the brake pedal to bleed? Obviously with tubes from the ports to each chamber. When done, hook up the brake lines. Just curious.
Chris
I have always read to bench bleed the MC then install in vehicle. WHY? Why not install in truck and very slowly push the brake pedal to bleed? Obviously with tubes from the ports to each chamber. When done, hook up the brake lines. Just curious.
Chris
Tuned
Joined: Nov 2013
Posts: 333
Likes: 219
From: British Columbia
You are not wrong. There are always more ways to skin a cat although I’m not sure why anyone would want to skin a poor cat…
If you have a helper, just install the m/c and bleed by cracking the lines right at the master cylinder. No need to over complicate things.
If you have a helper, just install the m/c and bleed by cracking the lines right at the master cylinder. No need to over complicate things.
Grumpy goat
Joined: May 2017
Posts: 3,058
Likes: 594
I always bench bleed. It's too easy, and is more than worth the effort.
With the master cylinder installed, your brake pedal and pushrod may not bottom out the piston in the bore. If that's the case, there will always be air in there. That air will compress, instead of pushing hydraulic fluid, and your braking will suffer. Every master cylinder I've bought, comes with a cheapy bleeder kit. Parts stores sell those same kits. They work. I go a step further, and make my own out of copper brake line.
With the master cylinder installed, your brake pedal and pushrod may not bottom out the piston in the bore. If that's the case, there will always be air in there. That air will compress, instead of pushing hydraulic fluid, and your braking will suffer. Every master cylinder I've bought, comes with a cheapy bleeder kit. Parts stores sell those same kits. They work. I go a step further, and make my own out of copper brake line.
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