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Your Position: Home > Auto Parts > Auto brake parts > Proportioning Valves > 172-2069 GMC /S-10 Proportioning Valve

172-2069 GMC /S-10 Proportioning Valve

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Product Descriptions

Part Name: GMC /S-10 Proportioning Valve

Type: 172-2069

Applications For:

1995-1996 Chevrolet Blazer
1994-1995 LLV Postal Vehicle
1991-1994 S10 Blazer
1994-1996 S10 Pickup
1995-1996 GMC Jimmy
1992-1994 S15 Jimmy
1994-1996 GMC Sonoma
1991 GMC Cyclone
1992-1993 GMC Typhoon
1991-1996 GMC Bravada



What Does the Proportioning Valve Do for My Brakes?

Your car’s braking system is intricate and complex. There’s a lot more to braking systems than calipers and rotors. One crucial aspect of a vehicle’s braking system is the proportioning valve. Knowing the function and importance of your brake proportioning valve is essential to understanding how your car works and knowing when to get it checked out by a technician.



Function and Purpose of the Proportioning Valve

The proportioning valve typically connects the master cylinder to the rest of the braking system, but sometimes it is independent of the cylinder. This valve is necessary for optimizing front-to-rear bias, also referred to as brake balance. It is a spring-loaded component that activates when fluid pressure builds when you step on the brake pedal. Then, the valve’s plunger unseats and fluid rushes into the calibrated range. Once this happens, the spring gets compressed and the plunger blocks the fluid from passing through. Even pressure distribution among the front and rear of your vehicle is important for safe and reliable braking performance.

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