can you use rubber hose for brake line

Using Rubber Hose for Brake Lines: A Comprehensive Guide

Introduction:

When it comes to your vehicle's braking system, safety is of utmost importance. Every component should be carefully selected and installed to ensure optimal performance and reliability. One frequently debated topic among automotive enthusiasts is whether it is safe to use rubber hose for brake lines. This article will delve into the pros and cons of using rubber hose for brake lines, providing valuable insights and information to help you make an informed decision.

1. The Anatomy of a Brake Line:

Before we discuss the suitability of rubber hose for brake lines, it's crucial to understand the components that make up a brake line. A typical brake line consists of a metal tube, typically made of steel or copper, wrapped in a protective coating. Connectors, fittings, and fasteners are used to facilitate the attachment of the brake line to various components of the braking system.

2. Rubber Hose as a Brake Line Substitute:

Rubber hoses have been traditionally used in various applications throughout vehicles, including fuel lines and coolant hoses, due to their flexibility and durability. However, when it comes to brake lines, the situation is slightly different. While rubber hoses may seem like a convenient option, they are not specifically designed to handle the high pressures and temperatures associated with braking systems.

3. Safety Concerns:

One of the primary reasons rubber hose is not recommended for brake lines is the safety factor. Brake lines are subjected to extreme pressures, sometimes exceeding 1,000 pounds per square inch (psi), especially during panic braking or emergency situations. Rubber hoses, even those designed for high-pressure applications, may not be able to withstand these pressures consistently, leading to brake failure or loss of braking efficiency.

4. Heat Resistance and Expansion:

Braking systems generate a significant amount of heat, particularly during hard or prolonged braking. Rubber hoses have a limited capacity to handle extreme temperatures, and they tend to expand under high heat conditions. This expansion can affect braking response and pedal feel, potentially compromising safety. In contrast, metal brake lines are designed to withstand heat and pressure without expanding or deteriorating.

5. Durability and Longevity:

When it comes to the lifespan of brake lines, rubber hoses are more susceptible to wear and degradation compared to metal lines. Rubber can deteriorate over time due to exposure to brake fluid, chemicals, and environmental factors. This degradation may result in the development of cracks, leaks, or swelling, rendering the brake system ineffective. Metal lines, on the other hand, offer superior durability and longevity, requiring less frequent replacements.

6. Flexible vs. Rigid:

The flexibility of rubber hoses can be seen as an advantage, as they allow for easier installation and routing around obstacles. However, it's essential to strike a balance between flexibility and rigidity when it comes to brake lines. Excessively flexible lines can lead to movement and chafing, causing premature wear and potential failure. Metal lines, though less flexible, offer better stability and are less likely to suffer from such issues.

Conclusion:

In conclusion, while rubber hoses may be suitable for various applications in your vehicle, they are not recommended for use as brake lines. The high pressures, extreme temperatures, and safety considerations associated with braking systems necessitate the use of durable and heat-resistant materials like steel or copper. Using rubber hose for brake lines can compromise the safety and performance of your vehicle's braking system. Therefore, it is strongly advised to stick with metal brake lines to ensure optimal safety, reliability, and peace of mind on the road.