Manifold/header/muffler/tail Pipe problems of the 2020 Chevrolet Traverse

Three problems related to manifold/header/muffler/tail pipe have been reported for the 2020 Chevrolet Traverse. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2020 Chevrolet Traverse based on all problems reported for the 2020 Traverse.

1 Manifold/header/muffler/tail Pipe problem

Failure Date: 06/03/2025

The contact owns a 2020 Chevrolet Traverse. The contact stated while driving at various speeds, the vehicle made an abnormally loud rattling sound. The contact stated that the failure also occurred upon starting the vehicle. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed and determined that the mounting bracket on the front exhaust pipe had separated from the pipe and might develop a hole in the exhaust pipe. The dealer determined that the front exhaust pipe mounting bracket needed to be replaced. The vehicle was not repaired due to the cost. The dealer notified the manufacturer of the failure, but no assistance was provided. The failure mileage was approximately 85,000.

2 Manifold/header/muffler/tail Pipe problem

Failure Date: 08/01/2024

The contact owns a 2020 Chevrolet Traverse. The contact stated that upon starting the vehicle, there was a loud vibration coming from the vehicle. There were no warning lights illuminated. The contact stated that the failure was related to special coverage adjustment: n212356540 (front exhaust pipe). The vehicle was taken to the local dealer, who diagnosed the failure as a fractured bracket on the muffler. The vehicle was not repaired. The manufacturer confirmed there were no open recalls on the VIN. The failure mileage was approximately 95,000.

3 Manifold/header/muffler/tail Pipe problem

Failure Date: 07/24/2023

The contact owns a 2020 Chevrolet Traverse. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormal sound. Additionally, the contact stated that while parked, the vehicle made an abnormal sound. The vehicle was taken to the dealer, who informed the contact that there were fractured brackets that rubbed holes into the exhaust pipe and front muffler. The vehicle was not repaired. The contact related the failure to technical service bulletin number: n222385510 (front exhaust pipe). The manufacturer was made aware of the failure. The failure mileage was approximately 52,000.


Other Engine And Engine Cooling related problems of the 2020 Chevrolet Traverse



Traverse Service Bulletins
Traverse Safety Recalls
Traverse Defect Investigations