GM Service Manual Online
For 1990-2009 cars only
Table 1: Auxiliary Power Outlet (APO) Specifications

Application

Capacities

English

Metric

Hybrid Cooling System

2.1 quarts

2.0 L

After refill, the level must be rechecked.

Auxiliary Power Outlet (APO) Specifications

Maximum Output Power

2.4 kw

Output Voltage

120 VAC +5% -8% measured at the outlets

Current Output (Maximum Continuous)

20 Amps

Output Frequency

60 Hz ± 0.25 Hz

Total Harmonic Distortion (THD)

<=10%

Overload Protection Level

21 A(rms) current limit for 5 seconds

Ground Fault Detection Level

>=6ma

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

1.6 lbs

0.73 kg

Cooling System

  • 4.3L V6 Automatic with Front A/C*

14.8 qt

14.0 L

  • 4.3L V6 Automatic with Front A/C**

16.5 qt

15.6 L

  • 4.3L V6 Manual with Front A/C*

15.1 qt

14.3 L

  • 4.3L V6 Manual with Front A/C**

16.6 qt

15.7 L

  • 4.8L V8 Automatic with Front A/C*

15.2 qt

14.4 L

  • 4.8L V8 Automatic with Front A/C**

16.8 qt

15.9 L

  • 4.8L V8 Manual with Front A/C*

15.5 qt

14.7 L

  • 4.8L V8 Manual with Front A/C**

17.0 qt

16.1 L

  • 5.3L V8 Automatic with Front A/C*

15.2 qt

14.4 L

  • 5.3L V8 Automatic with Front A/C**

16.8 qt

15.9 L

  • 6.0L V8 Automatic*

16.2 qt

15.3 L

  • 6.0L V8 Automatic**

16.7 qt

15.8 L

  • 6.0L V8 Manual*

16.7 qt

15.8 L

  • 8.1L V8 HD Automatic*

25.0 qt

23.7 L

  • 8.1L V8 Automatic*

26.9 qt

25.5 L

  • 8.1L V8 Manual*

27.1 qt

25.6 L

* Engine Fan Driven cooling system

** Electric Cooling Fan system

Engine Oil with Filter

  • 4.3L V6

4.5 qt

4.3 L

  • 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

  • Short Bed and 2500 LD

26.0 gal

98.0 L

  • Long Bed and Chassis Cab (Pickup Box Delete)

34.0 gal

128.7 L

  • Chassis Cab 3500 and 3500HD -- front

27.0 gal

102.0 L

  • Chassis Cab 3500 and 3500HD -- rear

23.0 gal

87.0 L

Transfer Case Fluid

2.0 qt

1.9 L

Wheel Nut Torque

140 ft lb

190 N·m

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 4.3L V6

X

Automatic

Manual

0.060 inches (1.52 mm)

VORTEC 4.8L V8

V

Automatic

Manual

0.040 inches (1.01 mm)

VORTEC 5.3L V8

Z

Automatic

0.040 inches (1.01 mm)

VORTEC 5.3L V8

T

Automatic

0.040 inches (1.01 mm)

VORTEC 6.0L V8

U

Automatic

Manual

0.040 inches (1.01 mm)

VORTEC 6.0L V8

N

Automatic

Manual

0.040 inches (1.01 mm)

VORTEC 8.1L V8

G

Automatic

Manual

0.060 inches (1.52 mm)