Brake Fluid Change Oldham | Brake Fluid Service | Unique Autos

The Unseen Danger in Your Braking System

Brake fluid is a critical hydraulic fluid that transfers the force from your foot on the pedal to the brakes at your wheels. However, it has a natural tendency to absorb water from the atmosphere over time (a property known as being ‘hygroscopic’). This water contamination is dangerous because it drastically lowers the boiling point of the fluid. Under heavy braking, the heat generated can cause this water to boil into steam. Steam is compressible, leading to a “spongy” pedal feel and, in severe cases, total brake failure.

Signs You Need a Brake Fluid Change

Most manufacturers recommend a brake fluid change every 2 years, regardless of mileage. You should book a check immediately if you notice:

  • A Soft or “Spongy” Brake Pedal: The pedal feels soft underfoot or travels further to the floor than it used to. This is the classic sign of air or steam in the brake lines.
  • Poor Braking Performance: Your car simply isn’t stopping as effectively or as quickly as it once did.
  • Dark or Murky Fluid: When you check the reservoir, the brake fluid should be a clear, honey-like colour. If it looks dark or cloudy, it’s contaminated.
  • It’s Been Over 2 Years: If you can’t remember the last time it was changed, it’s time to get it done for your own peace of mind.

Our Professional Brake Fluid Replacement Process

We don’t just “top up” your brake fluid; we perform a complete system flush to remove all the old, contaminated fluid and any trapped air. Our technicians will drain the master cylinder reservoir, refill it with new, high-quality brake fluid that meets your car’s specific DOT rating (e.g., DOT 4, DOT 5.1), and then systematically “bleed” the brake lines at each wheel until the clean fluid runs through. This ensures a bubble-free system and restores a firm, responsive brake pedal for maximum safety.

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