GMC 2.8L Duramax Diesel 2020 Manual page 94

Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
The following fluids apply to vehicles with a Duramax diesel engine. For other fluids not listed here, see
Recommended Fluids and Lubricants in the owner s manual.
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.
Usage
Automatic Transmission (6 Speed)
Automatic Transmission (8 Speed)
Diesel Exhaust Aftertreatment
System
Engine Coolant
Engine Oil
Hydraulic Power Steering System (If
Equipped)
DEXRON-VI Automatic Transmission Fluid.
DEXRON-HP Automatic Transmission Fluid.
Diesel Exhaust Fluid (GM Part No. 19286291, in Canada 88862660) or
diesel exhaust fluid that meets ISO 22241 or displays the API Diesel
Exhaust Fluid Certification Mark.
50/50 mixture of clean, drinkable water and use only DEX-COOL coolant.
See Cooling System 0 74.
Engine oil meeting the dexos2 specification of the proper SAE viscosity
grade. ACDelco dexos2 is recommended. See Engine Oil 0 69.
GM Power Steering Fluid (GM Part No. 19329450, in Canada 19329451).
Service and Maintenance
Fluid/Lubricant
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