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
- diesel exhaust fluid system in the 2011 Sierra 2500
5 complaints
- cracked exhaust manifold in the 2011 Terrain
4 complaints
- 'emission system requires service' warning message in the 2012 Sierra 2500
3 complaints
- cracked exaust manifold in the 2005 Envoy
3 complaints
- catalytic converter failure in the 2009 Acadia
3 complaints
- cracked manifold in the 2008 Envoy
2 complaints
- exhaust leak in the 2009 Envoy
2 complaints