GM Service Manual Online
For 1990-2009 cars only

All engines and transaxles are stamped with a partial Vehicle Identification Number (VIN). The following table identifies the different VIN derivative characters, character positions, and their respective descriptions:

VIN Derivative Table

Position

Definition

Character

Description

1

Division

C

T

Chevrolet Truck

GMC Truck

2

Model Year

4

2004

3

Plant Location

1

E

Z

J

G

F

X

Oshawa, Ontario

Pontiac, Michigan

Fort Wayne, Indiana

Janesville

Silao

Flint

Experimental Engineering Manufacturing

4-9

Plant Sequence Number

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