Where Exhaust System Complaints Happen
Sometimes it helps just to tally up the complaints and see where the biggest stacks are. Use this information to learn about troublespots or to run for the hills.
Worst Issues
- 2011 Sierra 2500 diesel exhaust fluid system 5 (100%)
- 2011 Terrain cracked exhaust manifold 4 (80%)
- 2012 Sierra 2500 'emission system requires service' warning message 3 (60%)
- 2005 Envoy cracked exaust manifold 3 (60%)
- 2009 Acadia catalytic converter failure 3 (60%)
- 2008 Envoy cracked manifold 2 (40%)
- 2009 Envoy exhaust leak 2 (40%)