How to Replace the Serpentine Belt — 2019-2025 Ram 1500

Replacing the serpentine belt on your 2019-2025 Ram 1500 is a crucial maintenance task to prevent engine accessory failure, often needed every 60,000-100,000 miles or when you hear squealing or notice cracks on the belt. This DIY repair can save you money, costing around $30-$60 for parts compared to $150-$250 at a shop. With the right tools and this guide, most DIYers can tackle this job confidently in under an hour. DIY Cost: $30-$60 | 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.