3.0L I6 Duramax Diesel•4WD•AUTOMATIC•diesel•turbo

Repairs0 Labor505 Torque149 Fluid10 DTC1867 Battery1 Maintenance0 Recalls3

Fluid · Automatic Transmission

Automatic Transmission

for 2026 GMC Yukon 3.0L I6 Duramax Diesel · 4WD

Fluid Type

Mobil 1 Synthetic LV ATF HP

Spec: GM specification TES-389

Capacity

12qt

11.35 L

Drain & Refill

5.5 qt

5.2 L

Data quality

Book-style estimate

Not yet expert-verified. Have the real number? Correct it below — takes 30 seconds.

Notes

10-speed 10L80 transmission. Fill-for-life per GM, but 50K-60K service recommended

Other fluid systems on this vehicle

A/C Refrigerant

Front Differential

Rear Differential

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