Brake combination valve

This valve performs all the necessary functions when using disc brakes in the front and disc brakes in the rear. The metering valve section of the combination valve is required on cars that have disc brakes on the front wheels and drum brakes on the rear wheels. Only left in stock - order soon.

Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35. Metering Valve : The metering valve is in charge of delaying the application of the front brakes just long enough to overcome the rear brake springs. The prop valve can also be tested with pressure gauges. This video gives you an inside look at the combination valve. From its functions to bleeding tool use, we explain its use and importance.

Print The standard combination valve is located in the engine compartment, directly under the master cylinder. Disc Brake Distribution Block and Proportioning Valve. It consists of sections: the metering valve , the warning switch and the proportioning valve. In this article, we will learn how the master cylinder and combination valve work.

The proportioning valve , also called the combination valve , is located in the disc braking system. It is responsible for controlling the braking pressure between the front and rear brakes. Equal brake force cannot be applied to all of the wheels on the car at the same time because the rear wheels will lock up.

We know our parts and products. BRAKE TROUBLESHOOTING GUIDE. The brake proportioning valve is a metering device that equalizes the pressure between the front and rear brakes.

This combination valve combines the distribution block and the proportioning valve into one unit. This is designed to be used with front and rear disc brakes. Residual Pressure Check Valve for Brake System. There are three types of proportioning valve in use today: master cylinder mounte combination valve mounted and load sensing. Master cylinder mounted valves are located on the master cylinder and screwed into the fluid ports between the master cylinder and the brake lines.

Allstar Performance brake combination valves feature multipurpose valves that are used in brake systems to help properly distribute fluid to front and rear brakes. They also meter the amount of fluid and pressure delivered to each individual brake and provide a connection to the warning light to alert the driver of possible brake failure. Classic Performance brake proportioning valves are designed to ensure that proper brake fluid pressure is supplied to the front and rear wheels.

These valves are available in both fixed and adjustable versions for drum to disc brake upgrades. Wilwood’s new Combination Proportioning Valve substantially simplifies mounting, plumbing, wiring and brake proportioning adjustments on vehicles with custom brake systems. Combination Valve A combination valve provides everything you need to balance your brake system in one compact unit.

Production cars usually come with something called a combination valve that includes both a brake pressure warning light and a fixed rear brake proportioning valve.

GM brake proportioning valves to fit your Chevy, Buick, Oldsmobile, Pontiac and Chevy Trucks and Vans. A Proportioning Valve is installed in the rear brake line and allows you to adjust the rate of pressure rise to the back brakes. With an adjustable proportioning valve , you can slow down the pressure rise that occurs when you apply the brakes.

Under braking, most vehicles transfer more weight to the front wheels. For all other applications, or if you wish to eliminate the switch on the brake pedal, use the switch in the proportioning valve block. Universal proportioning valves and proportioning valve parts and more classic car and classic truck brake parts at PerformanceOnline. Good day, I removed the rear brake lines for an axle swap and it has been impossible to bleed the system since then. My combination valve has tripped and stuck and doesn,t allow to bleed the rear circuit.

Brake combination valve The “wild card” in a brake system rebuil by this time your brake system needs this new part, trust me. Many of the original combination valves were steel so rust may very well have taken it’s toll on the inside of this brake system “regulator”. Not sure which Chevy Brake Proportioning Valve to buy?

We offer a wide range of Chevy Brake Proportioning Valves of all the best brands in the industry at an affordable rate that fits the Price Range you are looking for. AC Delco Brake Proportioning Valve With the AC Delco brake proportioning valve , keeping the brake assembly in tip-top shape is more manageable. This top-grade replacement is precisely manufactured to let the buyer fully control the amount of pressure transferred to the rear brakes.

I took apart my combination valve once to see if there was any gunk in there causing my Jeep to brake to one side. The real test will be when you brake heavily. This of course assumes that your Proporioning valve was a good fit to begin with. By fit I mean that it was pretty close to duplicating a factory like installation to begin with. The brake metering valve , similar to the proportioning valve , is used to achieve balanced braking.

For use with four wheel discs, an adjustable rear proportioning valve may or may not be needed. The brown brake light warning wire plugs into the combination valve. Bleed the brake system to determine if the front or rear lines are blocked off.

Set up one front wheel and one rear wheel for bleeding at the same time. The combination valve has four functions: 1. Crack both bleeder screws and gently pump the pedal a few times. Wilwood Combination Proportioning Valve substantially simplifies mounting, plumbing, wiring and brake proportioning adjustments on vehicles with custom brake systems.

Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U. Problems with the brake light staying on resulted when bleeding the system after a master cylinder install. Inline Tube brake combination valve correct for 73? The light went out so I assume the problem is a stuck combination valve , not a short or a busted parking brake switch.

I am also including a cross section of the valve for reference. Chevrolet Truck Parts - Proportioning Valve. This Combination and Proportioning Valve Bleed Tool is designed to simplify the brake bleeding process by eliminating the need to remove the low pressure switch. Simply replace the warning light swtich (white plug) with this tool to lock the low pressure shut valve and allow fast, easy brake system bleeding. This valve is a combination of mulitple functions, allowing proper bias between front and rear brakes.

It is also adjustable to regulate rear brake pressure, as well as having a pressure activated brake light switch built in.