GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 CTS 🢒 General Information 🢒 General Information 🢒 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 V6 - RPO LY7

10.3 liters

9.7 quarts

  • 3.6L V6 - RPO LLT

10.0 liters

10.6 quarts

Engine Oil With Filter

  • 3.6L V6

6.0 liters

5.7 quarts

Front Differential

0.7 liters

0.74 quarts

Fuel Tank

68.1 liters

18.0 gallons

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

Rear Differential Driveline/Axle - Locking/Limited Slip Additive

  • 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

Transmission

  • 6-Speed Automatic - Pan Removal and Replacement

6.3 liters

6.7 quarts

  • 6-Speed Manual

1.8 liters

1.9 quarts

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