Do I really need a brake fluid flush? The most common reason you need a brake fluid flush is brake fluid absorbs moisture over time. Excess moisture in the old brake fluid will reduce your vehicle's stopping power and cause corrosion.
They make test strips to determine if you need a brake fluid flush. You simply dip the test strip into your brake fluid and it will likely change color. The strips that we use to test brake fluid conditions will turn purple if moisture is present. There is a simple guide on the side of the brake fluid test strip bottle to use as a guide to determine if the moisture is high enough to warrant replacing your brake fluid. Many vehicle manufacturers suggest a brake fluid flush at certain mileage intervals. This interval can be found in the scheduled maintenance portion of your vehicle's owner’s manual. Your trusted brake or maintenance mechanic can also research the mileage interval a ... read more