There are 3 owner-reported fuel system complaints for the 2021 Chevrolet Traversein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
1. DRIVER SIDE EXHAUST FLEX PIPE BRAKET 2. Exhaust leak 3. Yes. It has been replicated and diagnosed. 4. No engine light. There was a rattling and increased exhaust noise. A hole in the exhaust pipe at the bracket location was found. 5. This condition seems to be a common problem with this year and make which I am now having to pay $600 to repair.
the purge valve is ticking for the past two weeks dealership informed me yesterday that it is working as designed and no codes were noted by technician. ticking noises ( which are VERY annoying) were not present when vehicle was bought about 3 months ago . The service rep informed me that although purge valve issues have been noted and taken care of by other GM models., the traverse is not part of any recall at the moment
The contact owns a 2021 Chevrolet Traverse. The contact stated that while driving at an undisclosed speed, she heard a rattling sound coming from the hood of the vehicle. An unknown warning light was illuminated. The vehicle was taken to the dealer where it was diagnosed that a hole was in the exhaust and the exhaust needed to be replaced. The vehicle was repaired; however, the failure recurred. There was no warning light illuminated. The contact stated that while driving at an undisclosed speed, she smelled a fuel odor throughout the vehicle. The dealer was not notified. The manufacturer was notified of the failure and the contact was advised to have the vehicle diagnosed and to call the NHTSA Hotline. The failure mileage was approximately 70,000.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026