GMC Yukon XL 2013 Owner's Manual page 455

Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
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
Power Steering System
Automatic Transmission
Key Lock Cylinders
Chassis Lubrication
Fluid/Lubricant
Use only engine oil licensed to the dexos1 specfication, or equivalent, of
the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is
recommended. See Engine Oil on page 10 6.
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See Engine Coolant on page 10 15.
DOT 3 Hydraulic Brake Fluid (GM Part No. 12377967, in
Canada 89021320).
Automotive windshield washer fluid that meets regional freeze protection
requirements.
GM Power Steering Fluid (GM Part No. 89021184, in Canada 89021186).
®
DEXRON -VI Automatic Transmission Fluid.
Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in
Canada 10953474).
Chassis Lubricant (GM Part No. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Service and Maintenance 11-11