How to Replace the Serpentine Belt — 2018-2025 Jeep Wrangler

Replacing the serpentine belt on your 2018-2025 Jeep Wrangler is a crucial maintenance task to prevent engine accessory failure due to wear or cracking, typically needed every 60,000-100,000 miles or if you hear squealing noises. This DIY repair can save you money, costing around $25-$50 for parts compared to $100-$200 at a shop, and with the right tools, most DIYers can tackle it confidently. 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.