Cadillac 2006 STS - Manual (Page 442)

Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number, or specification may be obtained from
your dealer.
Usage Fluid/Lubricant
Engine Oil
(V6 Engine)
Engine oil which meets GM Standard
GM6094M and displays the American
Petroleum Institute (API) Certified for
Gasoline Engines starburst symbol.
GM Goodwrench
® oil meets all the
requirements for your vehicle. To
determine the proper viscosity for your
vehicle’s engine, see Engine Oil on
page 5-18.
Engine Oil
(V8 Engine)
The engine requires a special engine
oil meeting GM Standard GM4718M.
Oils meeting this standard may be
identified as synthetic, and should also
be identified with the American
Petroleum Institute (API) Certified for
Gasoline Engines starburst symbol.
However, not all synthetic API oils with
the starburst symbol will meet this GM
standard. You should look for and use
only oil that meets GM Standard
GM4718M. GM Goodwrench
® oil
meets all the requirements for your
vehicle. For the proper viscosity, see
Engine Oil on page 5-18.
Usage Fluid/Lubricant
Engine
Cooling
System
50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. See Engine Coolant on
page 5-27.
Intercooler
System
(4.4L V8
Supercharged
engine)
50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant.
Hydraulic
Brake System
Delco ® Supreme 11 Brake Fluid or
equivalent DOT-3 brake fluid.
Windshield
Washer
GM Optikleen ® Washer Solvent.
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).
Automatic
Transmission
(6-Speed)
DEXRON ® -VI Automatic
Transmission Fluid.
Automatic
Transmission
(5-Speed)
DEXRON ® -III Automatic Transmission
Fluid. Look for “Approved for the
H-Specification” on the label.
6-12