What Is A Power Brake Booster Check Valve?

What Is A Power Brake Booster Check Valve? The brake booster check valve helps regulate the vacuum in the brake booster. When the engine is off or if the vacuum hose has a leak, the one-way check valve ensures no external air enters the vacuum brake booster. This is a safety feature. How do you … Continue reading What Is A Power Brake Booster Check Valve?