Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
This maintenance section applies to vehicles with a gasoline engine. If the vehicle has a diesel engine and/or an
Allison Transmission, see the recommended fluids and lubricants section in the Duramax diesel supplement.
Fluids and lubricants identified below by name, part number, or specification can be obtained from your dealer.
Usage
Engine Oil
Engine Coolant
Hydraulic Brake System
Windshield Washer
Hydraulic Power Steering System
(2500/3500 Series Only)
Automatic Transmission (All except
6.2L with 8-Speed transmission)
Automatic Transmission (6.2L with
8-Speed transmission)
Transfer Case (Four-Wheel Drive)
Engine oil meeting the dexos1
grade. AC Delco dexos1 Synthetic Blend is recommended. See Engine
Oil 0 363.
50/50 mixture of clean, drinkable water and use only DEX-COOL
See Engine Coolant 0 373.
DOT 3 Hydraulic Brake Fluid (GM Part No. 19299818, in
Canada 19299819).
Automotive windshield washer fluid that meets regional freeze protection
requirements.
GM Power Steering Fluid (GM Part No. 19329450, in Canada 19329451).
®
DEXRON
-VI Automatic Transmission Fluid.
®
DEXRON
-HP Automatic Transmission Fluid (GM Part No. 19300536, in
Canada 19300537).
®
DEXRON
-VI Automatic Transmission Fluid.
Service and Maintenance
Fluid/Lubricant
specification of the proper SAE viscosity
463
®
coolant.