All you have to do is twist and stop. The most difficult aspect of installing a proportioning valve is working with hydraulic brake lines. You'll need a couple of special tools—such as this ...

The article took care of my loose ends on doing this job but left the question that I can't seem to get a grasp on: How do you decide ... brake proportioning valve from a Jeep TJ or XJ.

This valve is placed downstream of the master cylinder and performed both as a proportioning valve to reduce the pressure to the rear brakes while also acting as a failure warning device to ...