From 99991839f8cc5d9f2b53ef8e73cb6f63711248ba Mon Sep 17 00:00:00 2001 From: John Loper II Date: Sat, 21 Mar 2026 21:31:10 -0400 Subject: [PATCH] Initial commit: 2003 Chevy Express 3500 Vehicle Maintenance Tracker - README.md with vehicle info, VIN decoder, and recommended maintenance - ISSUE_TEMPLATE.md for tracking maintenance issues - Project ready for John to add mileage and start documenting issues --- ISSUE_TEMPLATE.md | 292 ++++++++++++++++++++++++++++++++++++++++++++++ README.md | 134 +++++++++++++++++++++ 2 files changed, 426 insertions(+) create mode 100644 ISSUE_TEMPLATE.md create mode 100644 README.md diff --git a/ISSUE_TEMPLATE.md b/ISSUE_TEMPLATE.md new file mode 100644 index 0000000..b032685 --- /dev/null +++ b/ISSUE_TEMPLATE.md @@ -0,0 +1,292 @@ +# Vehicle Issue Template + +**Use this template for new vehicle issues. Copy to a new subfolder within your vehicle's main project folder.** + +--- + +## ๐Ÿš— Vehicle Information + +| Field | Value | +|-------|-------| +| **Year/Make/Model** | [e.g., 2002 Chevrolet Express 3500] | +| **Engine** | [e.g., 5.7L V8] | +| **VIN** | [Optional: for parts lookup] | +| **Mileage** | [Current odometer reading] | +| **Date Started** | [YYYY-MM-DD] | + +--- + +## ๐Ÿ“‹ Quick Summary + +**Problem:** [Brief description of the issue] + +**Current Status:** [e.g., ๐Ÿ” INVESTIGATION / ๐Ÿ”ง PARTS NEEDED / โœ… RESOLVED] + +**Urgency:** [High/Medium/Low - e.g., "High - vehicle not drivable" or "Low - can wait"] + +**Related Issues:** [Any connections to other issues, codes, or symptoms] + +--- + +## ๐Ÿ” Symptoms + +- [Symptom 1] +- [Symptom 2] +- [Symptom 3] +- [Symptom 4] + +**When it occurs:** [e.g., "Cold start only," "At idle," "Under load," "Random"] + +**Frequency:** [Always / Sometimes / Rarely] + +--- + +## ๐Ÿ“Š Diagnostic Findings + +**NOTE: All diagnostic steps and actions MUST include full timestamps (YYYY-MM-DD HH:MM) for tracking progress across multiple days.** + +### Initial Inspection Results +- [x] [Inspection item 1 - e.g., Fluid level low] **[@YYYY-MM-DD HH:MM]** +- [x] [Inspection item 2 - e.g., No visible leaks] **[@YYYY-MM-DD HH:MM]** +- [ ] [Inspection item 3 - e.g., Check pressure] **[@YYYY-MM-DD HH:MM]** +- [ ] [Inspection item 4 - e.g., Test electrical] **[@YYYY-MM-DD HH:MM]** + +### Test Results + +| Test | Expected | Actual | Status | Tested At (YYYY-MM-DD HH:MM) | +|------|----------|--------|--------|------------------------------| +| [Test 1] | [Expected value] | [Actual reading] | โœ…/โŒ/โš ๏ธ | [YYYY-MM-DD HH:MM] | +| [Test 2] | [Expected value] | [Actual reading] | โœ…/โŒ/โš ๏ธ | [YYYY-MM-DD HH:MM] | +| [Test 3] | [Expected value] | [Actual reading] | โœ…/โŒ/โš ๏ธ | [YYYY-MM-DD HH:MM] | + +### Diagnostic Data Collected +- **[Test 1]:** [Results and conclusions] +- **[Test 2]:** [Results and conclusions] +- **[Test 3]:** [Results and conclusions] + +--- + +## ๐ŸŽฏ Theories & Root Cause Analysis + +### Most Likely Causes (ranked by probability) +1. **[Theory 1 - Most Likely]** + - **Why:** [Reasoning] + - **Evidence:** [Supporting data] + - **How to confirm:** [Next diagnostic step] + +2. **[Theory 2]** + - **Why:** [Reasoning] + - **Evidence:** [Supporting data] + +3. **[Theory 3]** + - **Why:** [Reasoning] + +### Common Failure Points for This Vehicle +1. [Common issue 1] +2. [Common issue 2] +3. [Common issue 3] + +### Historical Context +- [Previous issues on this vehicle] +- [Known patterns or recurring problems] +- [Related codes or symptoms] + +--- + +## ๐Ÿ› ๏ธ Tools Needed + +### Basic Tools +- [Tool 1] +- [Tool 2] +- [Tool 3] + +### Specialized Tools +- [Tool 1] +- [Tool 2] + +### Safety Equipment +- [Safety glasses] +- [Gloves] +- [Jack stands] + +--- + +## ๐Ÿ“ฆ Parts & Materials + +### Parts Needed +| Part | Part Number | Cost (Aftermarket) | Cost (OEM) | Status | +|------|-------------|-------------------|------------|--------| +| [Part 1] | [e.g., 88915445] | $[00-00] | $[00-00] | ๐Ÿ“ Needed / ๐Ÿ“‹ Awaiting / โœ… Ordered | +| [Part 2] | [e.g., -] | $[00-00] | $[00-00] | ๐Ÿ“ Needed / ๐Ÿ“‹ Awaiting / โœ… Ordered | + +### Materials +- [Fluid type and quantity] +- [Sealant type] +- [Cleaning supplies] + +### Purchased Parts +- **[Part Name]:** [Where purchased], [Cost], [Date] +- **[Part Name]:** [Where purchased], [Cost], [Date] + +--- + +## ๐Ÿ“š Resources + +### Video Resources +- ๐Ÿ“บ [YouTube: [Topic]](https://www.youtube.com/results?search_query=[search_terms]) - [Description] +- ๐Ÿ“บ [YouTube: [Specific Guide]](https://www.youtube.com/watch?v=[video_id]) - [Description] + +### Written Guides +- ๐Ÿ“– [Written guide title](https://example.com) - [Description] +- ๐Ÿ“– [Service manual section] - [Description] + +### Parts Sourcing +- ๐Ÿ”— [RockAuto link] +- ๐Ÿ”— [eBay search link] +- ๐Ÿ”— [Local parts store with VIN lookup] + +### Technical References +- [Service manual reference] +- [Technical service bulletins] +- [Forums or community resources] + +--- + +## ๐Ÿ”ง Repair Procedure + +### Step-by-Step Instructions + +1. **[Preparation Step]** + - [Detail] + - [Safety note if applicable] + +2. **[Removal/Disassembly Step]** + - [Detail] + - [Torque specs if applicable] + +3. **[Inspection Step]** + - [What to look for] + - [Acceptable vs unacceptable conditions] + +4. **[Replacement/Repair Step]** + - [Detail] + - [Orientation notes] + +5. **[Reassembly Step]** + - [Detail] + - [Torque specs if applicable] + +6. **[Testing Step]** + - [Verification procedure] + - [Success criteria] + +### Scenario-Specific Procedures + +#### Scenario 1: [Specific Failure Mode] +**When to use:** [Conditions that indicate this scenario] + +1. [Step 1] +2. [Step 2] +3. [Step 3] + +**Time:** [Estimated duration] +**Difficulty:** [Easy/Moderate/Hard] + +#### Scenario 2: [Another Failure Mode] +**When to use:** [Conditions that indicate this scenario] + +1. [Step 1] +2. [Step 2] +3. [Step 3] + +**Time:** [Estimated duration] +**Difficulty:** [Easy/Moderate/Hard] + +--- + +## ๐Ÿ“‹ Next Steps + +- [ ] [Immediate next action] +- [ ] [Purchase parts] +- [ ] [Schedule repair] +- [ ] [Test after repair] +- [ ] [Verify success] +- [ ] [Clear codes if applicable] +- [ ] [Test drive] + +--- + +## ๐Ÿ“… Session Log + +**IMPORTANT: All entries MUST include full timestamps (YYYY-MM-DD HH:MM) to track issue progress across multiple days.** + +- **[YYYY-MM-DD HH:MM]:** [Event description - e.g., "Project initiated, diagnosis started"] +- **[YYYY-MM-DD HH:MM]:** [Event description - e.g., "Diagnostic tests completed, root cause identified"] +- **[YYYY-MM-DD HH:MM]:** [Event description - e.g., "Parts ordered, awaiting delivery"] +- **[YYYY-MM-DD HH:MM]:** [Event description - e.g., "Repair completed, van running fine"] + +**Session Log Guidelines:** +- Use full timestamp format: YYYY-MM-DD HH:MM (24-hour format) +- Include timestamp for EVERY action, test, and decision +- Track when parts were ordered, received, and installed (may span multiple days) +- Note when tests were performed and results observed +- Record when vehicle was test-driven and any issues found +- This enables accurate troubleshooting timeline and pattern recognition across multiple days + +--- + +## ๐Ÿ“ Notes + +- [Important notes about the issue] +- [Lessons learned] +- [Tips for future reference] +- [Warnings or cautions] + +--- + +## ๐Ÿ”„ Related Issues + +### Previous Issues +- [Link to related issue 1] - [Brief description] +- [Link to related issue 2] - [Brief description] + +### Pending Maintenance +- [Item 1] - [Urgency] - [Cost estimate] +- [Item 2] - [Urgency] - [Cost estimate] + +--- + +## ๐Ÿ“Š Success Criteria + +### Before Starting +- [ ] [Criteria 1] +- [ ] [Criteria 2] + +### After Repair +- [ ] [Criteria 1 - e.g., "Pressure reaches 55+ PSI on first prime"] +- [ ] [Criteria 2 - e.g., "No check engine light"] +- [ ] [Criteria 3 - e.g., "Smooth idle at 53-54 PSI"] +- [ ] [Criteria 4 - e.g., "No leaks after 24 hours"] + +### Verification Steps +1. [Test procedure 1] +2. [Test procedure 2] +3. [Test procedure 3] + +--- + +## ๐Ÿงช Revision History + +| Date | Change | +|------|--------| +| YYYY-MM-DD | Initial creation - [Brief description] | +| YYYY-MM-DD | Updated [section] - [Brief description] | +| YYYY-MM-DD | [Other change] | + +--- + +## ๐Ÿ”— See Also + +- [Link to main vehicle project README] +- [Link to related issue folder] +- [Link to diagnostic notes] diff --git a/README.md b/README.md new file mode 100644 index 0000000..91822d0 --- /dev/null +++ b/README.md @@ -0,0 +1,134 @@ +# 2003 Chevrolet Express 3500 - Vehicle Maintenance Tracker + +--- + +## ๐Ÿš— Vehicle Information + +| Field | Value | +|-------|-------| +| **Year/Make/Model** | 2003 Chevrolet Express 3500 | +| **VIN** | 1GAHG39U531215709 | +| **Engine** | 6.0L V8 (LQ4 Vortec) | +| **Horsepower** | 300 HP @ 5,200 rpm | +| **Torque** | 360 lb-ft @ 4,000 rpm | +| **Transmission** | 4-speed Automatic (4L80-E heavy-duty) | +| **Drivetrain** | RWD | +| **Fuel Capacity** | 31 gallons | +| **Curb Weight** | ~5,000-5,500 lbs | +| **Max Towing Capacity** | ~10,000 lbs (varies by configuration) | +| **Wheelbase** | 135.0 inches (standard) / 155 inches (extended) | +| **Overall Length** | 218.8 inches (standard) / 238.8 inches (extended) | +| **Overall Width** | 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** | 9.6:1 | +| **Engine Oil Capacity** | 6 quarts (6.0L with filter) | +| **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 | +| **Date Started** | 2026-03-21 | + +--- + +## ๐Ÿ“‹ Project Overview + +This repository tracks all maintenance, repairs, and issues for the 2003 Chevrolet Express 3500. Each subfolder represents a specific issue or maintenance task with its own progress tracking. + +**Current Status:** ๐Ÿ†• NEW PROJECT - Awaiting vehicle details +**Urgency:** TBD + +--- + +## ๐Ÿ“ Issue Folders + +Each folder below represents a specific maintenance issue or repair: + +- **[Issue Name](./[issue-folder]/)** - Status - Brief description + +--- + +## ๐Ÿ”„ Related Vehicles + +- [2002 Chevy Express 3500](../../2002-Chevy-Express-3500/) - Similar van project +- [2002 Chevy Express 1500](../../2002-Chevy-Express-1500/) - Smaller Express project +- [2005 Ford E350](../../2005-Ford-E350/) - Ford van project + +--- + +## ๐Ÿ“Š Revision History + +| Date | Change | +|------|--------| +| 2026-03-21 | Project created | + +--- + +## ๐Ÿ” VIN Decoder Reference + +**VIN Format:** `1GAHG39U531215709` +**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 +- **U** = 6.0L V8 Gasoline Engine (8th digit = engine code) +- **5** = Check Digit +- **3** = Model Year 2003 +- **1** = Assembly Plant +- **215709** = Production Sequence Number + +**Vehicle Specifics:** +- **1GA:** GM Chevrolet +- **HG:** Express 3500 cutaway van (1-ton, ~9000-10000 lbs GVWR) +- **39U:** 6.0L V8 LQ4 Vortec engine +- **3:** 2003 model year + +--- + +## ๐Ÿ› ๏ธ Recommended Maintenance + +**Engine Oil:** 5W-30, 6 quarts with filter (LQ4 6.0L V8) +**Transmission Fluid:** DEXRON-III ATF, ~14 quarts (4L80-E) +**Spark Plugs:** 8x (LQ4 6.0L V8) - verify exact type with VIN lookup +**Coolant:** DEX-COOL (GM OAT formula) - ~16 liters capacity +**Power Steering Fluid:** DEXRON-III ATF (if equipped) +**Brake Fluid:** DOT 3, ~1 liter + +**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 (LQ4 uses long-life plugs) +- 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) +- Power steering fluid: Every 60,000 miles + +--- + +## ๐Ÿ”ง Common 2003 Express 3500 Issues + +### Known Problem Areas +1. **Crankshaft position sensor** - Common failure point, causes no-start conditions +2. **Distributor cap/rotor** - Carbon tracking, moisture issues (if equipped) +3. **Fuel pump** - Weak pump can cause low fuel pressure +4. **Throttle body** - Carbon buildup, idle issues +5. **ABS module** - Common failure on high-mileage GM trucks +6. **Power steering rack seals** - External leaks +7. **Heater core** - Clogging, leaks + +### LQ4 6.0L V8 Specific +- Generally very reliable engine +- LQ4 block is stronger than L31 5.7L +- OHV 16-valve design, similar to LS engine family +- Compatible with many LS engine parts + +---