Part C: Recommended Fluids And Lubricants - GMC 2005 T-Series Owner's Manual

Part C: Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name,
part number or specification may be obtained from
your dealer.
Usage
Engine oil with the letters CI-4 or
CH-4 is best for your vehicle. The
CI-4 or CH-4 designation may
appear either alone or in
combination with other API
designations, such as API CI-4/SL.
Engine Oil These letters show American
Petroleum Institute levels of quality.
GM Goodwrench oil meets all the
requirements for your vehicle. To
determine the preferred viscosity for
your vehicle's diesel engine, see
Engine Oil on page 5-14.
50/50 mixture of clean, drinkable
water and use only
Engine Coolant
DEX-COOL
Coolant on page 5-24.
Hydraulic Brake Delco Supreme 11 Brake Fluid or
System equivalent DOT-3 brake fluid.
6-28
Fluid/Lubricant
®
Coolant. See Engine
Usage
Hydraulic Clutch Fluid (GM Part No.
Hydraulic U.S. 12345347, in Canada
Clutch System 10953517) or equivalent DOT-3
brake fluid.
Windshield
GM Optikleen
Washer Solvent
Clutch Bearing Lubricant (GM Part
Clutch Bearing
No. 12378484 or equivalent NLGI #3
Lubricant
consistency).
Exhaust Brake High-Temperature Grease (GM Part
Ball Joint Cap No. U.S. 1051344, in Canada
Lubricant 903037) or NLGI #3 consistency.
DEXRON
Power Steering Transmission Fluid. Look for
System "Approved for the H-Specification" on
the label.
Synthetic Manual Transmission Fluid
Manual
(GM Part No. U.S. 12345724, in
Transmission
Canada 10953510).
See the Allison
Automatic
Transmission
Transmission
correct transmission fluid.
Fluid/Lubricant
®
Washer Solvent.
®
-III Automatic
®
Operator's Manual for