How to Replace the Serpentine Belt — 2020-2025 Hyundai Sonata

Replacing the serpentine belt on your 2020-2025 Hyundai Sonata is a crucial maintenance task to prevent accessory failure, squealing noises, or sudden breakdowns due to a worn or cracked belt, typically needed every 60,000-100,000 miles. This DIY repair can save you money with parts costing $25-$50 compared to a shop cost of $100-$200 including labor. With the right tools and this guide, most DIYers can tackle this job confidently in under an hour. DIY Cost: $25-$50 | Shop Cost: $100-$200

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.