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

1.38 lbs

0.63 kg

Cooling System

  • 3.6L V6

11.7 qt

11.1 L

  • 4.4L V8 (V-Series)

13.4 qt

12.7 L

  • 4.6L V8

12.5 qt

11.8 L

Intercooler System 4.4L Engine

2.6 qt

2.5 L

Engine Oil with Filter

  • 3.6L V6

6.0 qt

5.7 L

  • 4.4L V8 (V-Series)

9.0 qt

8.5 L

  • 4.6L V8

8.0 qt

7.6 L

Fuel Tank

17.5 gal

66.2 L

Transmission

  • 5-Speed Automatic

9.5 qt

9.0 L

  • 6-Speed Automatic (V-Series)

6.5 qt

6.2 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 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)

4.4L DOHC V8 (V-Series)

D

Automatic

0.040 inches (1.0 mm)

4.6L DOHC V8

A

Automatic

0.040 inches (1.0 mm)

STS-V Engine Data

Engine

Horsepower

Torque

Displacement

Compression Ratio

4.4L V8 (LC3)

440 hp (328 kW) @ 6400 rpm

430 lb ft (583 Nm) @ 3600 rpm

4.4L

9.0:1