2002 Chevrolet Express 3500 - Vehicle Maintenance Tracker


🚗 Vehicle Information

Field Value
Year/Make/Model 2002 Chevrolet Express 3500
VIN 1GAHG39R821226228
Engine 5.7L V8 (L31 Vortec)
Horsepower 258 HP @ 4,600 rpm
Torque 330 lb-ft @ 2,800 rpm
Transmission 4-speed Automatic (4L80-E heavy-duty)
Drivetrain RWD
Fuel Capacity 31 gallons
Curb Weight 4,849 lbs
Max Towing Capacity 8,000 lbs
Wheelbase 135.0 inches (standard) / 155 inches (extended)
Overall Length 218.8 inches (standard) / 238.8 inches (extended)
Overall Width 79.2-79.4 inches
Overall Height 82.5-82.8 inches
Tire Size P245/75R16
Rim Size 16" steel
Valve Configuration OHV (16-valve)
Compression Ratio 9.4:1
Engine Oil Capacity 5.1 quarts (5W-30)
Brakes (Front) Dual Hydraulic Disc
Brakes (Rear) Dual Drum Brakes
Front Suspension MacPherson Strut with Double Tube dampers
Rear Suspension Multi-Link Coil Springs with Double Tube dampers
Headlight Bulb 9007 Halogen
Mileage 303,770 miles (as of 2026-03-23)
Date Started 2026-03-20

🔍 VIN Decoder Reference

VIN Format: 1GAHG39R821226228
Decoder URL Pattern: https://www.decodethis.com/vin/[VIN]

VIN Breakdown:

  • 1 = United States (Manufacturer)
  • G = General Motors
  • A = Chevy
  • H = GVWR Range 9001-10000 lbs
  • G3 = Express 3500 (1-ton)
  • 9 = Brake System - Hydraulic
  • R = 5.7L V8 Gasoline Engine (8th digit = engine code)
  • 8 = Check Digit
  • 2 = Model Year 2002
  • 1 = Assembly Plant
  • 226228 = Production Sequence Number

📋 Project Overview

This repository tracks all maintenance, repairs, and issues for the 2002 Chevy Express 3500. Each subfolder represents a specific issue or maintenance task with its own progress tracking.

Current Issues/Projects:

Vehicle Specifications:

  • Engine Oil: 5W-30, ~6 quarts with filter
  • Transmission Fluid: DEXRON-III ATF
  • Power Steering Fluid: DEXRON-III ATF
  • Spark Plugs: 8x (exact type TBD - need VIN lookup)
  • Fuel System: Electronic Fuel Injection (EFI), 55-62 PSI operating pressure

Maintenance History:

  • 2026-03-21: Distributor cap and rotor replaced - Crank no-start resolved
  • 2026-03-21: Power steering leak project initiated
  • 2026-03-21: Fuel pressure issue diagnosed - weak fuel pump identified, replacement needed

Notes:

  • Fuel pump confirmed weak - 37 PSI residual, requires 2 primes to reach 50 PSI
  • Check valve is working fine (good pressure retention)
  • Crankshaft position sensor (CKP) had history of issues on this vehicle
  • Distributor corrosion is a recurring issue (~1x/year) on this van
  • P0300 code - Random misfire code from crank no-start diagnosis (2026-03-20), should clear after fuel system repair
  • Spark plugs - All 8 need replacement (matching set), low priority, pending fuel system repair first

Documentation:

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2002 Chevrolet Express 3500 - Vehicle maintenance tracker
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