Cadillac 2005 STS - Manual (Page 394)

Capacities and Specifications
The following approximate capacities are given in English and metric conversions. See Recommended Fluids and
Lubricants on page 6-12 for more information.
Application
Capacities
English Metric
Air Conditioning Refrigerant R134a 2.2 lbs 1.0 kg
Cooling System 13.0 quarts 12.3 L
Engine Oil with Filter
3.6L V6
4.6L V8 6.0 quarts
8.0 quarts 5.7 L
7.6 L
Fuel Tank 17.5 gallons 66.3 L
Transmission 15.0 quarts 14.2 L
Wheel Nut Torque 100 ft lb 140 Y
All capacities are approximate. When adding, be sure to fill to the approximate level as recommended in this
manual. Recheck the fluid level after filling.
Engine Specifications
Engine VIN Code Transmission Spark Plug Gap
3.6L HFV6 7 Automatic 0.044 inches (1.1 mm)
4.6L DOHC V8 A Automatic 0.040 inches (1.0 mm)
5-104