- Document that cap/rotor were on 2002 3500, need to be installed on 2002 1500 - Provide step-by-step installation instructions - Include tools needed, parts info (GM 10452459 cap, 10452457 rotor) - Add firing order reference (1-8-7-3-6-5-4-2) - Document verification steps after installation - Once installed, proceed with Issue #1 (ECU relay test)
2002 Chevrolet Express 1500 - Vehicle Maintenance Tracker
🚗 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 |
| Date Started | 2026-03-21 |
📋 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
📁 Issue Folders
Each folder below represents a specific maintenance issue or repair:
- CrankNoStart - 🔍 INVESTIGATION - Crank no-start, NO SPARK at all
🔄 Related Vehicles
- 2002 Chevy Express 3500 - Similar van project
- 2005 Ford E350 - Ford van project
📊 Revision History
| Date | Change |
|---|---|
| 2026-03-21 | Project created |
🔍 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
🛠️ 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)