The 2015 Chevrolet Express Van has an engine oil capacity of 6 quarts. This is true for both the 4.8L and 6.0L engines. The best oil to use in them are ACDelco dexos1 Synthetic Blend with a viscosity grade of SAE 5W-30. A different oil can be used as long it has the same viscosity grade and is licensed with the dexos1 approved certification mark. The Express is equipped with an Engine Oil Life System that will determine when the oil needs to be changed based on engine revolutions, engine temperature, and miles driven. The van will let You know when an oil change is needed by displaying CHANGE ENGINE OIL SOON. You should have the oil and filter changed within the neXT600 miles once this message appears.
Mara D.
January 2, 2020
The 2015 Chevrolet Express Van engine oil capacity is 6 Quarts (5.7 Liters). The approved engine oil for the 2015 Express Van is the SAE 5W-30. In areas of extreme cold, where the temperature falls below −29°C (−20°F), an SAE 0W-30 oil may be used.
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