2004 GMC Savana Problems: 11 Known Issues
2004 model year · 770+ owner reports · Updated August 2026
According to Au7o's analysis of 770+ owner reports, the 2004 GMC Savana has 11 documented known issues, with 5 rated critical. The most serious are Fuel Pump Module Failure and Hard Start / Stalling ($350-$900 repair), Brake Line Corrosion and Brake Fluid Loss (Rust Belt) ($600-$2,000 repair), Cutaway Rear HVAC Blower Circuit Corrosion at Left B-Pillar - Fire Risk (Recall 23V-247) ($0-$0 repair), 4L80E/4L85E Harsh or Delayed Shifts, TCC Shudder and Loss of Forward/Reverse (Savana 2500/3500) ($350-$4,500 repair) and 4L60E/4L65E Automatic Transmission 3-4 Clutch Pack Burnup and Overdrive Slip (Savana 1500) ($1,800-$3,200 repair). The most commonly reported issue is Fuel Pump Module Failure and Hard Start / Stalling with 430 owner reports. Across all issues with published estimates, repair costs range from $50 to $5,000. DIY maintenance guides at au7o.io.