Approximate Fluid Capacities for Cadillac STS 2008

Cooling System

• 3.6L Engine - RPO LLT

10.8 liters

11.4 quarts

• 3.6L Engine - RPO LY7

11.1 liters

11.7 quarts

• 4.4L (V-Series) Engine

11.7 liters

12.4 quarts

• 4.6L Engine

11.7 liters

12.4 quarts

Intercooler System 4.4L (V-Series) Engine

2.8 liters

2.9 quarts

Engine Oil with Filter

• 3.6L Engine

5.7 liters

6.0 quarts

• 4.4L V8 (V-Series) Engine

8.5 liters

9.0 quarts

• 4.6L Engine

7.6 liters

8.0 quarts

Front Axle

• Dry Fill

1.2 liters

1.27 quarts

• Wet Fill

1.0 liters

1.06 quarts

Rear Axle - Drain and Fill, if differential side cover has been removed to service any internal differential components

• For vehicles equipped with Limited Slip Differential

1.2 liters

1.26 quarts

• For vehicles not equipped with Limited Slip Differential

1.3 liters

1.3 quarts

• Drain and Fill with use of drain plug

1.1 liters

1.16 quarts

Important: The following is for vehicles equipped with the Limited Slip Differential option. The Limited Slip Additive container capacity is greater than the amount needed. Only add the amount specified.

• Drain and Fill with cover removed

100 ml

3.38 oz

• Drain and Fill with use of drain plug

70 ml

2.37 oz

Fuel Tank

66.2 liters

17.5 gallons

Transfer Case

850 ml

0.90 quarts

Transmission (Pan Removal and Filter Replacement)

• 6-Speed Automatic

6.3 liters

6.7 quarts

• 6-Speed Automatic (V-Series)

6.2 liters

6.5 quarts

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.