# 2002 Chevrolet Express 1500 - Vehicle Maintenance Tracker

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## 🚗 Vehicle Information

| Field | Value |
|-------|-------|
| **Year/Make/Model** | 2002 Chevrolet Express 1500 |
| **VIN** | 1GNFG15M121104394 |
| **Engine** | 5.0L V8 (L30 Vortec) |
| **Horsepower** | 230 HP @ 4,400 rpm |
| **Torque** | 280 lb-ft @ 2,800 rpm |
| **Transmission** | 4-speed Automatic (4L60-E) |
| **Drivetrain** | RWD |
| **Fuel Capacity** | ~24 gallons (standard) / ~31 gallons (optional) |
| **Curb Weight** | ~4,200-4,500 lbs |
| **Max Towing Capacity** | ~7,000-7,500 lbs |
| **Wheelbase** | 126.0 inches (standard) / 135.0 inches (extended) |
| **Overall Length** | 212.0 inches (standard) / 224.0 inches (extended) |
| **Overall Width** | 79.2-79.4 inches |
| **Overall Height** | 82.5-82.8 inches |
| **Tire Size** | P245/75R16 (varies by trim) |
| **Rim Size** | 16" steel |
| **Valve Configuration** | OHV (16-valve) |
| **Compression Ratio** | 9.0:1 |
| **Engine Oil Capacity** | ~5 quarts (5W-30) |
| **Brakes (Front)** | Dual Hydraulic Disc |
| **Brakes (Rear)** | Drum Brakes |
| **Front Suspension** | Independent MacPherson Strut |
| **Rear Suspension** | Leaf Spring (solid axle) |
| **Headlight Bulb** | 9007 Halogen |
| **Mileage** | 142,855 miles (as of 2026-03-23) |
| **Date Started** | 2026-03-21 |

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## 📋 Project Overview

This repository tracks all maintenance, repairs, and issues for the 2002 Chevrolet Express 1500. Each subfolder represents a specific issue or maintenance task with its own progress tracking.

**Current Status:** 🔍 ACTIVE ISSUE - Crank no-start, no spark  
**Urgency:** High - vehicle not drivable

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## 📁 Issue Folders

Each folder below represents a specific maintenance issue or repair:

- [CrankNoStart](./CrankNoStart/) - 🔍 INVESTIGATION - Crank no-start, NO SPARK at all

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## 🔄 Related Vehicles

- [2002 Chevy Express 3500](../../2002-Chevy-Express-3500/) - Similar van project
- [2005 Ford E350](../../2005-Ford-E350/) - Ford van project

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## 📊 Revision History

| Date | Change |
|------|--------|
| 2026-03-21 | Project created |

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## 🔍 VIN Decoder Reference

**VIN Format:** `1GNFG15M121104394`  
**Decoder URL Pattern:** `https://www.decodethis.com/vin/[VIN]`

**VIN Breakdown:**
- **1** = United States (Manufacturer)
- **G** = General Motors
- **N** = Chevrolet
- **F** = GVWR Range 6,001-7,000 lbs
- **G** = Express 1500 (1/2 ton)
- **1** = Brake System - Hydraulic
- **5** = 5.0L V8 Gasoline Engine (8th digit = engine code)
- **M** = Restraint System (manual belts, dual front airbags)
- **1** = Check Digit
- **2** = Model Year 2002
- **1** = Assembly Plant (Fort Wayne, IN)
- **104394** = Production Sequence Number

**Vehicle Specifics:**
- **1GN:** GM Chevrolet
- **FG:** Express 1500 cutaway van (1/2 ton, ~6,000-7,000 lbs GVWR)
- **15M:** 5.0L V8 engine with manual seat belts and front airbags
- **2:** 2002 model year

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## 🛠️ Recommended Maintenance

**Engine Oil:** 5W-30, ~5 quarts with filter (L30 5.0L V8)
**Transmission Fluid:** DEXRON-III ATF
**Spark Plugs:** 8x (L30 5.0L V8) - verify exact type with VIN lookup
**Coolant:** DEX-COOL (GM OAT formula) - ~16 liters capacity
**Power Steering Fluid:** DEXRON-III ATF (if equipped)

**Maintenance Intervals:**
- Oil change: Every 7,500 miles or 6 months (severe) / 10,000 miles or 12 months (normal)
- Air filter: Every 30,000 miles
- Fuel filter: Every 30,000 miles
- Spark plugs: Every 100,000 miles
- Transmission fluid: Every 50,000 miles (severe) / 100,000 miles (normal)
- Brake fluid: Every 45,000 miles
- Coolant: Every 100,000 miles (DEX-COOL extended drain)

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