How to Coolant Flush and Replacement — 2019-2025 Toyota RAV4

Flushing and replacing the coolant in your 2019-2025 Toyota RAV4 is crucial to prevent engine overheating and corrosion, especially as part of routine maintenance every 100,000 miles or 10 years for the first flush, then every 50,000 miles or 5 years thereafter. This DIY repair can save you money, costing around $30-$50 for parts compared to $100-$150 at a shop. With clear steps and basic tools, most DIYers can tackle this job confidently. DIY Cost: $30-$50 | 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.