GM Service Manual Online
For 1990-2009 cars only

Object Number: 65474  Size: SH

Vehicle Identification Number (VIN) System

Position

Definition

Character

Description

The Vehicle Identification Number (VIN) plate (1) is the legal identifier of the vehicle. The VIN plate is located on the upper left corner of the instrument panel and can be seen through the windshield from the outside of the vehicle.

1

Country of Origin

1

United States

2

Manufacturer

G

General Motors

3

Make

2

Pontiac

4

5

Carline/Series

N/W

Grand AM GT

6

Body Style

1

Two-Door Coupe (37)

7

Restraint System

2

Active (Manual) Belts W/Driver and Passenger Inflatable Restraint System-Frontal

8

Engine Type

F

E

RPO L61, 2.2L, L4, MFI

RPO LA1, 3.4L, V6, SFI

9

Check Digit

--

Check Digit

10

Model Year

5

2005

11

Plant Location

C

M

Lansing, MI

12-17

Plant Sequence Number

--

Plant Sequence Number

VIN Derivative Characters

Position

Definition

Character

Description

All engines and transmissions are stamped or laser etched with a partial Vehicle Identification Number (VIN). This table identifies the different VIN derivative characters and their respective positions.

1

Division

2

Pontiac

2

Model Year

5

2005

3

Plant Location

C

M

Lansing, MI

4-9

Plant Sequence Number

--

Plant Sequence Number

A VIN derivative can be used to determine if a vehicle contains the original engine or transmission by matching the VIN derivative positions to their accompanying positions in the complete VIN.

VIN Derivative Position

Equivalent VIN Position

1

3

2

10

3

11

4-9

12-17

4T40-E/4T45-E (MN4/ MN5) Transmission Derivative Location

Refer to Transmission Identification Information in Automatic Transaxle - 4T40-E/4T45-E.

3.4L (LA1) Engine VIN Location

Refer to Engine Identification in Engine Mechanical - 3.4L.

2.2 L (L61) Engine ID and VIN Derivative Location

Refer to Engine Identification in Engine Mechanical - 2.2L (L61).

Engine and Transmission Usage

BODY TYPE

CAR LINE DIVISION

ENGINE SIZE

FUEL SYSTEM

ENGINE RPO

TRANSMISSION USED

TRANSMISSION RPO

N

Grand AM Pontiac

2.2L, 4 CYL

MFI

L61

4T40-E/Getrag, F23, 5 Speed

MN4/M86

N

Grand AM Pontiac

3.4L, 6 CYL

SFI

LA1

4T45-E

MN5