GM Service Manual Online
For 1990-2009 cars only

Engine VIN Derivative

The engines are stamped or laser etched with a partial vehicle identification number (VIN), which was derived from the complete VIN. A engine VIN derivative contains the following ten positions.

Position

Definition

Character

Description

1

Engine Type

G

--

2-3

Engine Displacement

10 or 13

10=1.0 Liter, 13=1.3 Liter

4

Model Year

X

1999

5-10

Plant Sequential Number

--

--

Transmission VIN Derivative

The transmissions are stamped or laser etched with a partial vehicle identification number (VIN), which was derived from the complete VIN. A transmission VIN derivative contains the following seven positions.

Position

Definition

Character

Description

1

Model Year

X

1999

2-7

Serial Number

--

--