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

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

  • Regular Model

2.5 lbs

1.14 kg

  • Extended Model (1500 Series)

2.8 lbs

1.27 kg

  • Extended Model (2500 Series)

3.1 lbs

1.36 kg

Cooling System -- Automatic

  • 4.8L V8**

16.8 qt

15.9 L

  • 5.3L V8**

16.8 qt

15.9 L

  • 6.0L V8*

16.2 qt

15.3 L

  • 6.0L V8**

16.6 qt

15.7 L

  • 8.1L V8*

25.0 qt

23.7 L

* Engine Fan Driven Cooling System

** Electric Cooling Fan System

Add 2.0 L (2.1 qt) if equipped with rear heating.

Engine Oil with Filter

  • 4.8L V8, 5.3L V8, 6.0L V8

6.0 qt†

5.7 L†

  • 8.1L V8

6.5 qt†

6.1 L†

Fuel Tank

  • Regular Model

26.0 gal

98.4 L

  • Extended Model (1500 Series)

31.0 gal

117.3 L

  • Extended Model (2500 Series)

37.5 gal

140.0 L

Transfer Case Fluid

2.0 qt

1.9 L

Wheel Nut Torque

140 lb ft

190 N·m

†Oil filter should be changed at every oil change.

After refill, the level must be rechecked. Add enough engine coolant so that the fluid is within the proper operating range.

Engine Specifications

Engine

VIN Code

Transmission

Spark Plug Gap

VORTEC 4.8L V8

V

Automatic

0.040 in (1.01 mm)

VORTEC 5.3L V8

T

Automatic

0.040 in (1.01 mm)

VORTEC 5.3L V8

Z

Automatic

0.040 in (1.01 mm)

VORTEC 6.0L V8

U

Automatic

0.040 in (1.01 mm)

VORTEC 8.1L V8

G

Automatic

0.060 in (1.52 mm)