This guide provides the complete, proven maintenance method (all four filters + oil) that ensures peak engine health for your 2020 Jeep Wrangler EcoDiesel (and Gladiator/Ram models). You’ll see exactly what my quick, 6-minute video demonstrates, but here, we dive into the details. As a fellow Jeep owner here in dusty Las Cruces, NM, I’ve refined this process to be fast, efficient, and cost-effective, allowing me to service my truck every 5,000 miles.