Fluid · Automatic Transmission
Automatic Transmission
for 2014 GMC Sierra 2500HD 6.6L V8 Duramax Diesel · 4WD
Fluid Type
Allison TES-295 approved ATF
Spec: TES-295
Capacity
13.3qt
12.58 L
Drain & Refill
7.4 qt
7 L
Change Interval
50,000 mi
80,450 km
Data quality
Book-style estimate
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Notes
Allison 1000 6-speed. Total capacity with torque converter; pan service drains approximately 7.4 quarts