How to Change Differential Fluid on a Ford F-150 (2015–2020) | DIY Rear Diff Oil Change

Changing the differential fluid on your Ford F-150 is easier than you think! In this video, I walk you step-by-step through the rear differential oil change on my 2018 F-150 (applies to most 2015–2020 models with the 8.8 or 9.75 rear axle). You’ll learn: ✅ How to safely prep your F150 for a diff fluid change ✅ Tools & supplies needed (linked below) ✅ How to remove the differential cover, clean the housing, and reseal with gasket maker ✅ Which gear oil to use (Motorcraft SAE 75W-85 or equivalent) ✅ How to check if your truck needs the limited slip additive ✅ Tips to avoid leaks and ensure a perfect seal This service is essential for keeping your truck running strong — especially around the 100,000 mile mark (normal use). If you’ve been searching “how to change differential fluid F150” or “F150 rear diff oil change DIY”, this video has you covered. 👉 Tools & Products I Recommend (Affiliate Links): Scraper: https://amzn.to/4guW1aJ Brushes for Drill: https://amzn.to/4msgy0F Drill: https://amzn.to/4mpxaq2 Brake Clean: https://amzn.to/3VquYDM Rear Axle Oil: https://amzn.to/4ml9u6h Limited Slip Additive: https://amzn.to/4pKERtU Gasket Maker: https://amzn.to/4n9vORg Thread Sealant for Plug: https://amzn.to/3IpruhR For sponsorship inquiries contact us here - smackeysgarage@gmail.com Check Out My Web Store to Support the Channel: www.smackeysgarage.com Join this channel to get access to perks: https://www.youtube.com/channel/UCJ12Z3lGXAPfXyUHFUo6z8w/join As an Amazon Associate I earn from qualifying purchases Instagram: https://www.instagram.com/smackeysgarage/ All videos are for entertainment purposes only. Attempt these projects at your own risk! If you do, make sure you follow all manufacturers instructions!