Black plate (8,1)
DURAMAX Diesel Engine (LML/LGH) - 2011
11-8
Service and Maintenance
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
Fluid/Lubricant
Engine Oil
Engine oils with the letters CJ-4 are required for your vehicle. The CJ-4
designation can appear either alone or in combination with other American
Petroleum Institute (API) designations, such as API CJ-4/SL. These letters
show API levels of quality. To determine the preferred viscosity for your
vehicle's diesel engine, see
Engine Oil on page 10
‑
7
.
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant.
See
Engine Coolant on page 10
‑
22
.
Hydraulic Brake System
DOT 3 Hydraulic Brake Fluid (GM Part No. U.S. 12377967,
in Canada 89021320).
Diesel Exhaust Aftertreatment
System
Diesel Exhaust Fluid (GM Part No. U.S. 88862659, in Canada 88862660)
or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel
Exhaust Fluid Certification Mark.
Windshield Washer
Optikleen
®
Washer Solvent.
Van Models: Parking Brake
Cable Guides
Chassis Lubricant (GM Part No. U.S. 12377985, in Canada 88901242) or
lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Power Steering System
GM Power Steering Fluid (GM Part No. U.S. 89021184,
in Canada 89021186).
All manuals and user guides at all-guides.com