Quote:
Originally Posted by glennpm
No, the master cylinder chamber is not pressurized. The "squirt" that you see is the pressurized fluid outboard of the master cylinder, the brake lines and wheel cylinders, squirting out the bypass port when the brake pedal is released. In addition, the master cylinder caps and gasket are vented to maintain atmospheric pressure. I just looked at a few links and I liked this one for graphic explanation.
https://www.youtube.com/watch?v=rcvhntRbTb4 |
Thanks for the link to a really good video on the operation.
So the return bypass fluid would increase the pressure in the reservoir but the cap it is vented so it can't build up; makes sense.
I will keep checking the fluid level and see what happens with the new seal on the cap...