How to Brake Fluid Flush — 2021-2025 Chevrolet Tahoe

Flushing the brake fluid in your 2021-2025 Chevrolet Tahoe is crucial to maintain braking performance, as old fluid can absorb moisture and reduce effectiveness, leading to spongy brakes or longer stopping distances. 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.