Fluid Film Undercoating - DIY Winter Rust Protection

👉 Gear Used: • Black Fluid Film – https://amzn.to/48zehMD • Undercoating Spray Gun – https://amzn.to/48hoHQL • Simple Green – https://amzn.to/44rCgvE • Pressure Washer – [link] • Safety Goggles – https://amzn.to/3Xcb8Ns • Masks – https://amzn.to/48ke4Nc • Gloves – https://amzn.to/4a5JTeP In this video I walk through my full Black Fluid Film undercoating process to get my 4Runner ready for another Minnesota winter. This is my fourth year doing this DIY winter prep, and I’ve refined a simple and effective method that protects the frame from salt, brine, and corrosion all season long. Chapters: 0:00 – Intro 0:31 – Why Fluid Film 1:19 – Tools & Prep 2:45 – Cleaning Undercarriage 3:39 – Removing Skids 3:56 – Wire Brushing Frame 4:17 – Spray Gun Setup 4:52 – Coating Frame Rails 6:04 – Inside Frame Rails (360° Wand) 7:06 – Final Coating Results 7:19 – Outro ⚠️ Disclaimer: This video is for entertainment and general DIY reference only. I’m not a professional mechanic. Always use proper safety precautions, work with jack stands when underneath a vehicle, and refer to your vehicle’s service manual before performing maintenance. You are responsible for your own safety and the condition of your vehicle.