2021 GMC Sierra Maintenance Specs
Factory service manual data for the AT4, 3.0L Eng VIN T variant.
2 of 3 specs available
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Tire Size & Pressure
Coming soonNot available for this variant
Data not in manual❄️
Coolant Type & Capacity
Available50/50 mixture of DEX-COOL and clean, drinkable water · 6.80 QTS.
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