Wiring Diagram For 04 Chevrolet Pickup Truck Proportioning Valve. You can slow down the pressure increase that happens when you apply the brakes with a brake proportioning valve. It changes the proportion of brake fluid.

It seemed like the rear cylinders might have been sucking air back in but i am not sure. The diagram is surrounded by a alpha numeric loaction grid. All the wires at the connectors have alpha numeric addresses showing where the other end of the wire is located ac cording to the grid.

The proportioning valve was not resetting and most of the problem i think.

The master cylinder and valve are both universal they are not a direct replica of the oem s10 parts you will need to get reducer fittings to match your brake line size you can pick them up any parts store for 1 or less. In 20 seconds you can become part of the worlds largest and oldest community discussing general motors chevrolet and gmc branded pickups crossovers and suvs. The proportioning valve was not resetting and most of the problem i think. You can slow down the pressure increase that happens when you apply the brakes with a brake proportioning valve.