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    Air in Brake Lines – Signs, Symptoms & Repairs

    What happens when air enters your brake lines?

    As the brake pads wear, small amounts of air enter your braking system.

    The brake lines are responsible for moving brake fluid throughout your vehicle. They are designed to be airtight to prevent any air (or other things like water or debris) mixing with the brake fluid. Brake fluid’s hydraulic properties allow it to apply pressure to your brakes when it is compressed. But, for this to work correctly, there must not be too much air.

    When air gets into your car’s brake lines, the brake fluid will compress more easily. This can lead to your brake pedal feeling spongy, as well as other issues. For this reason, mechanics must take extra care when bleeding the brakes to make sure all of the air is removed.

     

    How does air enter your brake lines?

    Although your braking system is designed to be as airtight as possible, air will eventually find its way in. This is due to your brake pads moving further as they wear.

    When should you replace your brake pads?

    Air in the brake lines can also be caused by leaks in your braking system or incorrect bleeding of the brake system. If a leak is not fixed, you will notice your brake fluid levels are dropping at an accelerated rate. This can potentially lead to unsafe driving conditions. If you think your brake system is leaking, read this great guide on how to locate a leak.

     

    Signs and symptoms of air in your brake system:

    • Brakes feel soft or spongy – This is the most common symptom. The more air that is in your braking system, the softer/spongier it will become.
    • Low brake fluid – Brake fluid will leak from your vehicle over time. As brake fluid leaves, it is replaced with air. If you’re having problems with your brakes, be sure to check the brake fluid levels.
    • Brake pedal presses all the way down – When there is a lot of air in your brake lines, you may experience a lack of resistance in your brake pedal, causing it to go all the way to the floor.
    • Increased stopping distance – If the problem isn’t solved, you may begin to experience problems with your car’s braking. Since the brake fluid is losing its hydraulic properties, it won’t compress as quickly and effectively. This leads to your car taking longer to stop.

     

    Brake Line Bleeding & Repairs in Hamilton

    Are you having problems with your brake lines or brake fluid levels? If so, the Grimmer Motors team can help! Our team of skilled mechanics are experts in diagnosing and repairing brake problems. This includes leaking or other damage to your brake system.

    A brake repair will significantly improve the safety of your vehicle, allowing you to stop quickly when you need to. We take extra care when performing brake repairs to make sure everything is done correctly, keeping you and your passengers safe.

    For brake diagnostics and repairs in Hamilton, contact Grimmer Motors today!

     

    CONTACT US

    Phone: 07 855 2037

    Email: office@grimmermotors.co.nz

    Address: 998 Heaphy Terrace, Fairfield, Hamilton

    Get your car repaired today
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