DIY DT12 Transmission Fluid Change (Save $$$ on Maintenance)

Shop rates are expensive, why not service your DT12 transmission yourself? In this tutorial, Steve from LRM shows you how to check, drain, and refill transmission oil on a Freightliner Cascadia (2012 and newer).

You’ll see step-by-step:
✔️ How to safely remove the fill and drain plugs
✔️ What a proper oil level check looks like
✔️ Which oil you need (75W-90 synthetic gear oil)
✔️ How much oil your DT12 holds (about 5 gallons)
✔️ The importance of replacing seals or O-rings
✔️ Final check: how to ensure your transmission is filled correctly

🛠️ This simple job requires only basic hand tools, and it can save you hundreds in labor costs at the shop.

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💬 Have questions about your transmission or want me to cover another repair? Leave a comment below!

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Видео DIY DT12 Transmission Fluid Change (Save $$$ on Maintenance) канала LRMLeasing