Part C: Recommended Fluids And Lubricants - GMC 2010 T-Series Owner's Manual

Part C: Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number, or specification can be obtained from your
dealer/retailer.
Usage
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)
Engine Oil 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 5 16.
50/50 mixture of clean, drinkable
water and use only DEX-COOL
Engine Coolant
Coolant. See Engine Coolant on
page 5 26.
DOT 3 Hydraulic Brake Fluid
Hydraulic
(GM Part No. U.S. 12377967, in
Brake System
Canada 89021320).
6-28
Fluid/Lubricant
®
Usage
Windshield
Optikleen
Washer Solvent
High-Temperature Grease
Exhaust Brake
(GM Part No. U.S. 1051344, in
Ball Joint Cap
Canada 903037) or NLGI #3
Lubricant
consistency.
Power Steering DEXRON
System Transmission Fluid.
See the Allison Transmission
Automatic
Operator's Manual for correct
Transmission
transmission fluid.
Synthetic Manual Transmission Fluid
Manual
(GM Part No. U.S. 88861952, in
Transmission
Canada 88861953).
Hydraulic Clutch Fluid
Hydraulic (GM Part No. U.S. 12345347, in
Clutch System Canada 10953571) or equivalent
DOT-3 brake fluid.
Multi-Purpose Lubricant, Superlube
Key Lock
(GM Part No. U.S. 12346241, in
Cylinders
Canada 10953474).
Fluid/Lubricant
®
Washer Solvent.
®
-VI Automatic
®