Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Vehicle Identification
The vehicle identification number (VIN) plate is the legal identifier of the vehicle. The VIN plate is located on the upper LH corner of the instrument panel. The VIN number can be seen through the windshield from the outside of the vehicle:
| Position | Definition | Character | Description |
|---|---|---|---|
| 1 | Country of Origin | 1 | United States |
| 2 | Manufacturer | G | General Motors |
| 3 | Make | C | Chevrolet Truck |
| 4 | GVWR/Brake System | E F G |
6001-7000/Hydraulic 7001-8000/Hydraulic 8001-9000/Hydraulic |
| 5 | Truck Line/Chassis Type | C K |
4x2 4x4 |
| 6 | Series | 6 7 |
1/2 Ton Luxury 3/4 Ton Luxury |
| 7 | Body Type | 3 | Four-Door Utility |
| 8 | Engine Type | V Z T U N G |
4.8L V8 MFI (LR4) 5.3L V8 MFI (L59) 5.3L V8 MFI (LM7) 6.0L V8 MFI (LQ4) 6.0L V8 MFI (LQ9) 8.1L V8 MFI (L18) |
| 9 | Check Digit | - | Check Digit |
| 10 | Model Year | 4 | 2004 |
| 11 | Plant Location | G J R |
Silao Janesville Arlington |
| 12-17 | Plant Sequence Number | 100,001 | Plant Sequence Number |
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
No obligation. See pricing before you book.