GM Service Manual Online
For 1990-2009 cars only
Table 1: Vehicle Identification Number (VIN) System
Table 2: VIN Derivative

Object Number: 65474  Size: SH

The VIN plate is the legal identifier of the vehicle. The VIN plate (1) is located on the upper LH corner of the instrument panel (I/P) and can be seen through the windshield from the outside of the vehicle:

Vehicle Identification Number (VIN) System

Position

Definition

Character

Description

1

Country of Origin

1

U.S.A.

2

Manufacturer

G

General Motors

3

Make

C, T

C - Chevrolet

T - GMC Truck

4

GVWR/Brake System

B

C

D

E

F

G

H

J

K

B - 3001-4000/Hydraulic

C - 4001-5000/Hydraulic

D - 5001-6000/Hydraulic

E - 6001-7000/Hydraulic

F - 7001-8000/Hydraulic

G - 8001-9000/Hydraulic

H - 9001-10000/Hydraulic

J - 10001-14000/Hydraulic

K - 14001-16000/Hydraulic

5

Truck Line/Chassis Type

G

Chevrolet/GMC 4X2

Chevrolet Express

GMC Savana

6

Series

1

2

3

6

7

8

1/2 Ton Nominal

3/4 Ton Nominal

1 Ton Nominal

1/2 Ton Luxury

3/4 Ton Luxury

1 Ton Luxury

7

Body Type

1

5

9

Hi-Cube or Cutaway Van

Van

Extended Cab, Extended Van

8

Engine Type

V

T

U

X

W

4.8L V8 MFI Iron (LR4)

5.3L V8 MFI Iron (LQ4)

6.0L V8 MFI Iron (LM7)

4.3L V6 MFI Iron (LU3)

6.6L 90 Degree V8 (LLY)

9

Check Digit

--

--

10

Model Year

7

2007

11

Plant Location

1

X

Wentzville, MO

Experimental Engineering Manufacturing Services

12-17

Plant Sequence Number

--

--

All engines and transmissions are stamped or laser etched with a partial VIN, which was derived from the complete VIN. A VIN derivative contains the following 9 positions:

VIN Derivative

Position

Definition

Character

Description

1

GM Division Identifier

G

General Motors

2

Model Year

7

2007

3

Assembly Plant

1

Wentzville MO

4-9

Plant Sequence Number

100,001

--

4-9

Plant Sequence Number

900,001

Pre-Assigned

4.3L V6 MFI (LU3) Engine ID and VIN Derivative

Refer to Engine Identification .

4.8L V8 (LR4) MFI, 5.3L V8 (LM7) MFI, 6.0L V8 (LQ4) MFI - Engine ID and VIN Derivative

Refer to Engine Identification .

6.6L V8 (LLY) Engine ID and VIN Derivative

Refer to Engine Identification .

4L60-E/4L65-E Transmission ID and VIN Derivative

Refer to Transmission Identification Information .

4L80-E/4L65-E Transmission ID and VIN Derivative

Refer to Transmission Identification Information .