Brake fluid rarely gets the attention that pads and rotors do, but it’s just as important. It’s the fluid that transfers the force from your foot on the pedal to the brakes themselves — and it doesn’t last forever.
Why Brake Fluid Wears Out
Brake fluid is hygroscopic, meaning it slowly absorbs moisture from the air over time, even in a sealed system. That moisture lowers the fluid’s boiling point, which can lead to a spongy pedal feel and, in extreme cases, reduced braking power when the brakes get hot.
How Often to Flush It
Most manufacturers recommend a brake fluid flush every two years, regardless of mileage. Check your owner’s manual for the exact interval, since it can vary by vehicle.
Signs Your Fluid Needs Attention
- A spongy or softer-than-normal brake pedal
- Fluid that looks dark brown or murky instead of clear or light amber
- A brake warning light on your dashboard
- It’s simply been more than two years since the last flush
Why It’s Worth Staying On Top Of
A brake fluid flush is a small, inexpensive service compared to the cost of brake system repairs caused by contaminated fluid, like corroded calipers or brake lines. It’s an easy thing to add on next time you’re in for pads, rotors, or an oil change.
Not sure when your brake fluid was last changed? Ask us at President Tire & Wheels and we’ll check it for you.
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