Replacing the thermostat on your 2021-2025 Hyundai Elantra is crucial if you're experiencing overheating, poor heater performance, or erratic temperature gauge readings. This DIY repair can save you significant money, costing around $30-$50 for parts compared to $150-$250 at a shop, and with the right tools and patience, most DIYers can tackle it confidently. DIY Cost: $30-$50 | Shop Cost: $150-$250
Innova operates one of the world's largest automotive diagnostic databases. It's built on real-world scan data from millions of vehicles on the road, combined with OEM repair information licensed directly from vehicle manufacturers.
Replacing the thermostat on your 2021-2025 Hyundai Elantra is crucial if you're experiencing overheating, poor heater performance, or erratic temperature gauge readings. This DIY repair can save you significant money, costing around $30-$50 for parts compared to $150-$250 at a shop, and with the right tools and patience, most DIYers can tackle it confidently. DIY Cost: $30-$50 | Shop Cost: $150-$250
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.