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 Brake Proportioning Valve Rebuilding Process and Valve Leak Testing

At Old Auto LLC, we specialize in brake proportioning valve rebuilding, ensuring optimal performance for your vehicle's braking system. Our meticulous process includes ultrasonic cleaning, re-machining brass tube seats, and polishing all internal components, followed by rigorous valve leak testing to guarantee reliability and efficiency. We also offer the option to convert to DOT 5 silicone fluid, providing a modernized solution for your brake system. Trust Old Auto LLC in Lititz, PA, for expert care and quality service. Experience the difference with our rebuilding services.

Bendix 0411 Disassembly

The proportioning valve bodies and all associated components undergo ultrasonic cleaning and thorough inspection. This process guarantees that the parts are in optimal condition, free from contaminants and ready for reassembly.

Proportioning Valve Seats Remachined

We precision machine the brass tube seats on cast iron valves. Our process involves expertly pressing out the existing seats and re-machining them to ensure optimal performance and longevity.

Kelsey Hayes Shuttle Valve

 We meticulously polish all internal brass parts to ensure optimal functionality. Trust us to bring a refined finish to your components, elevating their quality and efficiency.

Proportioning Valve Testing

We conduct thorough valve testing by plumbing the finished valve into our tester, running fresh fluid through it, meticulously inspecting for any leaks. This ensures that your valve operates efficiently and reliably, meeting the highest standards of quality. 

We can convert to DOT 5 silicone fluid too!

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