NHTSA Complaint #11585004 — 2013 CHEVROLET SONIC

The contact owns a 2013 Chevrolet Sonic. The contact stated that there was fluid leaking from underneath the hood. The check engine warning light was illuminated. The contact stated that while driving at undisclosed speeds, there was an abnormal sound coming from the vehicle. The vehicle was taken to the independent mechanic where it was diagnosed with a water pump and the thermostat housing failure. The contact discovered Technical Service Bulletin: 14371B; however, the vehicle was not included. The manufacturer was made aware of the failure and a case was opened. The failure mileage was unknown.