Brake regulator valve. Depending on the load.

Thank you

[mercer]

My rear brakes tend to have different braking power even tho i have replaced all the parts when it comes to drum brakes. Could this part have a some sort of an issue on it's function. I mean it's almost an 30 year old part on my vw anyways

[sstechnicalservice]

The Animation should have been display the fluid pressure function, for new engineering students it would more useful. isn't it!!

[jessecash]

Installed front disc brakes on 1966 chevell and front pads are sticking