2003 Chevrolet Malibu Problems: 4 Known Issues
2003 model year · NHTSA recalls, manufacturer TSBs, and owner forum reports · Updated September 2026
According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2003 Chevrolet Malibu has 4 documented known issues, with 2 rated critical. The most serious are Unintended Ignition Key Rotation Out of 'Run' — NHTSA Recall 14V400 ($0-$0 repair) and 3.1L V6 Lower Intake Manifold Gasket Failure Causing Coolant Leak and Coolant-in-Oil ($500-$1,100 repair). Across all issues with published estimates, repair costs range from $50 to $1,100. DIY maintenance guides at au7o.io.