Generac 25kW Standby Liquid-Cooled Generator | What You NEED to Do Every Year

In this video, I walk you through the annual maintenance routine for our Generac 25kW liquid-cooled standby generator. This unit powers our entire house and keeping it in good shape is essential—especially during storm season here in Florida. I forgot to include in the video: DRAIN the radiator flush after running the engine for 10-30 minutes! This is an important step! 🛠 Tools & materials I used: Maintenance Kit for Liquid-Cooled Standby Generators: https://amzn.to/4mFNFiw Full Synthetic 15W-40 Diesel Engine Oil: https://amzn.to/4p1DCpB Radiator Flush: https://amzn.to/47nmcO4 (Affiliate links: Using these links helps support me at no extra cost to you ❤️) 0:00 Intro 0:32 Removing Access Panels 1:07 Turning off the Generator 1:23 Draining the Radiator 2:18 Replacing the Air Filter 2:47 Draining the Overflow Bin 3:35 Flushing the Radiator 5:16 Refilling the Radiator 5:40 Draining the Oil 6:17 Replacing the Oil Filter 8:05 Refilling the Oil 10:21 Replacing the Spark Plugs 16:27 Testing the ATS 19:46 Generator Cooldown 20:06 Closing Everything Up 20:44 Wrapping Up What’s covered: ✅ Oil change ✅ Oil filter change ✅ Air filter replacement ✅ Spark plug replacement If you have a similar generator, or you’re thinking of getting one, this video will show you what kind of upkeep is involved. Even if you’re not a professional, basic generator maintenance can go a long way toward reliability and longevity. Got questions? Drop them in the comments! Like and subscribe if you want to see more generator-related content, DIY maintenance, or storm prep tips. #Generac #GeneratorMaintenance #StandbyGenerator #OffGrid #HomeBackupPower #DIYMaintenance #FloridaStormPrep