How to Brake Fluid Flush — 2021-2025 Ford F-150

Flushing the brake fluid on your 2021-2025 Ford F-150 is a critical maintenance task to ensure optimal braking performance, especially since brake fluid absorbs moisture over time, leading to reduced effectiveness or a spongy pedal. This DIY repair can save you money, costing around $20-$40 for fluid compared to $100-$150 at a shop, and with the right tools and patience, most DIYers can tackle it confidently. DIY Cost: $20-$40 | Shop Cost: $100-$150

You’re done. Clear any stored codes with your scanner and complete a normal drive cycle so the vehicle’s readiness monitors reset.

If the code returns, the root cause likely wasn’t the part you replaced — go back through the diagnostic steps before swapping anything else.