GM Service Manual Online
For 1990-2009 cars only

Position

Definition

Character

Description

Important: All engines are stamped or laser etched with an identification number. The identification number contains the following 10 positions:

1

Engine Type

J

H

2.0L

2.5L

2-3

Engine Displacement

20

25

2.0L, L4, MFI

2.5L, V6, MFI

4

Model Year

3

2003

5-10

Plant Sequence Number

--

Production Plant Sequence Number