John Loper II
12bc8111f5
**PowerSteeringLeak:** - Comprehensive README with diagnostic findings, theories, tools, parts estimates - Added video resources for leak detection and repair - Added step-by-step repair procedures for rack, pump, and line scenarios - Organized with clear sections and status tracking **CrankNoStart:** - Added video resources for distributor replacement and diagnostics - Added detailed step-by-step repair procedure (completed) - Added parts used section with purchase details **Overall:** - All three folders now have consistent, comprehensive documentation - All include: diagnostic process, theories, readings, parts/tools, video resources - Ready for systematic maintenance tracking
Project: 2002 Chevrolet Express 3500 - Power Steering Leak
Status: 🔍 INVESTIGATION — Leak location unknown, fluid corrected and ready to monitor
📋 Quick Summary
Problem: Power steering fluid leak requiring periodic refills
Current Status:
- Fluid level was low, running dry
- Old fluid was brown/tan (contaminated)
- Wrong fluid had been used: ATF+4 (Chrysler spec)
- Correct fluid added: DEXRON-VI ATF (Super-Tech High Mileage)
- Vehicle is drivable, just needs occasional top-offs
Urgency: Low - can wait, but should address before pump fails from running dry
🔍 Symptoms
- Power steering fluid leak (location unknown)
- Requires periodic refills
- Steering works fine while driving
- Hard to turn wheel when stationary/not moving
- No safety issue, just inconvenient
Fluid Type: DEXRON®-III ATF (Automatic Transmission Fluid) - standard for GM vehicles of this era
📊 Diagnostic Findings
Initial Inspection Results
- Fluid level: Low, was running dry
- Fluid condition: Brown/tan (contaminated, old)
- Reservoir: No cracks or leaks found (leak is elsewhere)
- Reservoir cap seal: Says "Use Approved Power Steering Fluid"
- Previous fluid: ATF+4 (Chrysler spec) - WRONG!
- Current fluid: DEXRON-VI ATF (Super-Tech High Mileage) - CORRECT!
Leak Location Hunt (Pending)
- Check high-pressure line connections
- Check low-pressure line connections
- Inspect power steering pump shaft seal
- Inspect power steering pump housing
- Check power steering rack seals (common failure point)
- Look for fluid traces on ground/parking surface
- Clean engine bay thoroughly
- Consider UV dye tracer for stubborn leaks
🎯 Theories & Common Failure Points
Most Likely Causes (2002 Express)
- Power steering rack seals - Very common, internal leaks
- Line connections - O-rings degrade over time
- Pump shaft seal - Wear from extended use
- Reservoir cracks - Plastic aging
Investigation Approach
- Start with visual inspection (clean engine bay first)
- Look for fresh fluid traces on ground
- Use UV dye if leak not visible (for stubborn leaks)
- Check all connections before assuming internal failure
🛠️ Tools Needed
Basic Tools
- Basic hand tools (wrenches, sockets)
- Fluid drain pan
- Funnel
- Clean rags
- Flashlight
Cleaning & Detection
- Brake cleaner (for cleaning engine bay)
- UV dye kit (optional, for stubborn leaks)
- Turkey baster/syringe (for fluid extraction)
📦 Parts Estimate (if needed)
| Part | Cost (Aftermarket) | Cost (OEM) |
|---|---|---|
| Power steering rack | $200-400 | $400-600 |
| Power steering pump | $100-200 | $200-350 |
| Lines and seals | $50-100 | $100-200 |
| Fluid (ATF DEXRON-III) | $10-15/quart | - |
Status: No parts ordered yet - waiting to identify exact leak source
📚 Resources
Leak Detection
- 📺 YouTube: Power steering leak detection - Various techniques
- 🔦 UV dye for leak detection - Professional method
Repair Guides
Parts Sourcing
🔧 Repair Procedure (When Leak Found)
Scenario 1: Rack Seal Leak
- Remove old fluid with turkey baster
- Disconnect battery negative terminal
- Raise and support vehicle safely
- Remove wheels for better access
- Disconnect steering links from rack
- Disconnect power steering lines (catch fluid)
- Unbolt and remove rack
- Install new rack (reverse procedure)
- Refill with DEXRON-III ATF
- Bleed system (turn wheel lock-to-lock multiple times with engine off)
- Test and check for leaks
Time: 2-4 hours Difficulty: Moderate
Scenario 2: Pump Seal Leak
- Relieve system pressure
- Disconnect battery negative
- Remove belt tension
- Disconnect power steering lines from pump
- Unbolt and remove pump
- Install new pump
- Reinstall belt and reconnect lines
- Refill with DEXRON-III ATF
- Bleed system
- Test and check for leaks
Time: 1-2 hours Difficulty: Easy-Moderate
Scenario 3: Line Connection Leak
- Identify leaking O-ring/connection
- Disconnect fuel line using disconnect tool
- Replace O-ring or entire line
- Reconnect and tighten
- Refill fluid if lost
- Test and check for leaks
Time: 30-60 minutes Difficulty: Easy
📅 Session Log
- 2026-03-21: Project initiated, leak identified as ongoing issue, vehicle drivable with periodic refills
- 2026-03-21 AM: Fluid inspection complete
- Old fluid was brown/tan (contaminated)
- Wrong fluid (ATF+4) had been used
- Correct fluid identified as DEXRON-III/VI ATF
- Super-Tech High Mileage ATF added to system
- Status: ✅ Van ready to run, fluid flushed with correct type
- Next: Monitor for leaks over next 1-2 weeks, consider full flush if desired
📝 Notes
- Vehicle still operates, just stiff steering when stationary
- Not a safety issue for short-term use
- Long-term: Running low on fluid can damage the pump
- Best to fix before pump failure (more expensive repair)
- John should check if he has spare ATF on hand
- Consider full system flush in 1-2 weeks to ensure all contaminated fluid is removed
🔗 See Details
For tracking checklist, current status, and session log, see: progress.md