Fluid · Automatic Transmission
Automatic Transmission
for 2026 Chevrolet Express 6.0L V8 Vortec · RWD
Fluid Type
Dexron VI ATF
Spec: GM Dexron VI
Capacity
12qt
11.35 L
Drain & Refill
6 qt
5.68 L
Notes
6L80/6L90 6-speed automatic. Fill-for-life per GM but service recommended at 50k-100k under severe use.
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