GM Service Manual Online
For 1990-2009 cars only
Table 1: Engine Specifications
Table 2: CTS-V Engine Data

The following approximate capacities are given in English and metric conversions. See Recommended Fluids and Lubricants for more information.

Application

Capacities

English

Metric

Air Conditioning Refrigerant R134a

For the air conditioning system refrigerant charge amount, see the refrigerant caution label located under the hood. See your dealer for more information.

Cooling System

  • 2.8L HFV6 Engine

11.7 qt

11.1 L

  • 3.6L HFV6 Engine

12.1 qt

11.8 L

  • 6.0L V8 Engine

13.4 qt

12.7 L

Engine Oil with Filter

  • 2.8L HFV6 Engine

6.0 qt

5.7 L

  • 3.6L HFV6 Engine

6.0 qt

5.7 L

  • 6.0L V8 Engine

6.0 qt

5.7 L

Fuel Tank

17.5 gal

66.2 L

Transmission (Pan Removal and Replacement)

  • Automatic

7.4 qt

7.0 L

  • 6-Speed Manual-CTS

1.9 qt

1.8 L

  • 6-Speed Manual-CTS-V

3.7 qt

3.5 L

Wheel Nut Torque

100 lb ft

(140 N·m)

All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level after filling.

Engine Specifications

Engine

VIN Code

Transmission

Spark Plug Gap

2.8L HFV6

T

Automatic Manual

0.043 inches (1.1 mm)

3.6L HFV6

7

Automatic

Manual

0.043 inches (1.1 mm)

6.0L V8

U

Manual

0.040 inches (1.02 mm)

CTS-V Engine Data

Engine

Horsepower

Torque

Displacement

Compression Ratio

6.0L V8 (LS2)

400 hp (298 kW)@ 6000 rpm

395 ft lb (536 Nm)@ 4400 rpm

6.0 L

10.9:1