The contact owns a 2018 Chevrolet Traverse. The contact stated that upon the start of the vehicle, an abnormal rattling sound was coming from the vehicle without warning. The contact stated that once the engine had warmed up, the rattling sound turned into a chugging sound. The vehicle was taken to an independent mechanic where it was discovered that the bracket used to hold the exhaust pipes together had rubbed against one of the pipes and formed a hole. The mechanic then explained that if not repaired, the catalytic converter would become damaged. The dealer was notified of the failure and an appointment was made to have a diagnostic test performed. The manufacturer was not notified of the failure. The vehicle was not repaired. The failure mileage was 117,600.

- Crest Hill, IL, USA

The contact owns a 2018 Chevrolet Traverse. The contact stated while parked in the driveway, there was an abnormally loud sound coming from underneath the hood. The vehicle was taken to the dealer, where it was diagnosed that the exhaust pipe was fractured and needed to be replaced. The vehicle was not repaired. The contact related the failure TSB Number: PIP5681. The manufacturer was notified of the failure and informed the contact that the vehicle was not covered. The failure mileage was approximately 42,000.

- Gregory, MI, USA

The exhaust manifold is cracked and leaking and the weld on the front exhaust pipe is broken. When using auto start the cabin fills with exhaust fume smell

- Vienna, VA, USA