GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 Service and Appearance Care 🢒 Capacities and Specifications 🢒 Capacities and Specifications
Table 1: Engine Specifications

Please refer to Part D: Recommended Fluids and Lubricants for more information.

Application

Capacities

English

Metric

Air Conditioning Refrigerant R-134a

2.4 lbs

1.1 kg

When draining/replacing converter, more fluid may be needed.

7.4 quarts

10 quarts

7.0 L

9.5 L

11.3 quarts

11.7 quarts

10.7 L

11.0 L

4.0 quarts

4.5 quarts

3.8 L

4.2 L

Fuel Tank

17.0 gallons

64.0 L

All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. See Part D: Recommended Fluids and Lubricants .

Engine Specifications

Engine

VIN Code

Transmission

Spark Pug Gap

Firing Order

Wheel Nut Torque

3400 (LA1) V6

E

4T65E

0.060 inches (1.52 mm)

1-2-3-4-5-6

100 lb ft

140 N·m

3800 (L36) V6

K

4T65E

0.060 inches (1.52 mm)

1-6-5-4-3-2

100 lb ft

140 N·m