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2021 GMC SIERRA 2500HD
6.6L V8 L8T•4WD•AUTOMATIC•gas•turbo
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Repairs0Labor508Torque3525Fluid10DTC1253Battery1Maintenance0Recalls0
Fluid · Automatic Transmission

Automatic Transmission

for 2021 GMC Sierra 2500HD 6.6L V8 L8T · 4WD
Fluid Type
Dexron VI ATF
Spec: GM Dexron VI
Capacity
18qt
17.03 L
Drain & Refill
7.4 qt
7 L
Change Interval
45,000 mi
72,405 km

Notes

6L90 6-speed automatic transmission. Full capacity includes torque converter

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Other fluid systems on this vehicle

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