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For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2006 🢒 STS 🢒 General Information 🢒 Maintenance and Lubrication 🢒 Approximate Fluid Capacities

The following approximate capacities are given in English and metric conversions. See Fluid and Lubricant Recommendations for more information. All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level after filling.

Application

Specification

Metric

English

Cooling System

  • 3.6L (LY7)

11.1 liters

11 quarts

  • 4.4L (LC3)

13.4 liters

12.7 quarts

  • 4.6L (LH2)

11.8 liters

12.5 quarts

Intercooler System

  • 4.4L (LC3)

2.5 liters

2.6 quarts

Engine Oil With Filter

  • 3.6L (LY7)

5.7 liters

6 quarts

  • 4.4L (LC3)

8.5 liters

9 quarts

  • 4.6L (LH2)

7.6 liters

8 quarts

Fuel Tank

66.2 liters

17.4 gallons

Transmission/Transaxle

  • Automatic 5L40-E/5L50-E Bottom Pan Removal

6 liters

7.4 quarts

  • Automatic 5L40-E/5L50-E Overhaul

9 liters

9.5 quarts

  • Automatic 6L80-E Bottom Pan Removal

6.2 liters

6.5 quarts

  • Automatic 6L80-E Overhaul

9.5 liters

10 quarts

Front Axle

0.7 liters

1.37 quarts

Rear Differential Driveline/Axle - Locking/Limited Slip

  • Drain and Fill With Cover Removed

1.2 liters

1.27 quarts

  • Drain and Fill With Use of Drain Plug

1.0 liters

1.06 quarts

  • Limited Slip Additive Drain and Fill With Cover Removed*

100 ml

3.38 oz

  • Limited Slip Additive Drain and Fill With Use of Drain Plug*

70 ml

2.37 oz

Transfer Case BW 4476179

500 ml

0.53 quarts

*The limited slip additive container capacity is greater than the amount needed. Only add the specified amount.