2018 CHEVROLET TRAVERSE Engine And Engine Cooling Problems

The contact owns a 2018 Chevrolet Traverse. The contact stated that while operating the vehicle, the check engine warning light remained illuminated. The vehicle was taken to an independent mechanic who diagnosed the vehicle with catalytic converter failure. The contact was informed that the catalytic converter needed to be replaced. The vehicle was not yet repaired. The contact stated that the catalytic converter was previously replaced for the same failure. Additionally, after shifting to park(P), the message "Shift to Park" was displayed. After several attempts, the contact was able to turn off the vehicle. The cause of the failure was not yet determined. The local dealer and manufacturer were notified of the failures, but no assistance was offered. The failure mileage was 182,000.

Mileage: 182,000

The contact owns a 2018 Chevrolet Traverse. The contact stated while driving at various speeds, the vehicle was making an abnormally loud sound that became louder over time. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the exhaust system needed to be replaced. The manufacturer was notified of the failure and referred the contact to the dealer for assistance. The vehicle was taken to the dealer, where it was diagnosed and determined that the exhaust system needed to be replaced and provided the contact an estimate for the repair. The vehicle was not yet repaired. The failure mileage was approximately 151,000.

Mileage: 151,000

The contact owns a 2018 Chevrolet Traverse. The contact stated while driving at various speeds, there was a rattling and squeaking sound coming from underneath the vehicle. The vehicle was taken to the local mechanic, who informed the contact that the exhaust manifold bracket had failed and needed to be replaced along with a section of the exhaust system. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure and informed that the vehicle was not covered under the manufacturer's extended coverage related to the failure. The failure mileage was 55,000.

Mileage: 55,000

The contact owns a 2018 Chevrolet Traverse. The contact stated while driving at various speeds, there was a rattling and squeaking sound coming from underneath the vehicle. The vehicle was taken to the local mechanic, who informed the contact that the exhaust manifold bracket had failed and needed to be replaced along with a section of the exhaust system. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure and informed that the vehicle was not covered under the manufacturer's extended coverage related to the failure. The failure mileage was 55,000.

Mileage: 55,000

The contact owns a 2018 Chevrolet Traverse. The contact stated that the vehicle was emitting a vibrating and rattling noise while driving. The contact stated while driving at an undisclosed speed and attempting to accelerate, the vehicle lost motive power. The contact stated while driving uphill and accelerating, the engine backfired. The check engine warning light was illuminated. The vehicle was taken to the dealer who diagnosed that there was an EVAP leak. The vehicle received an undisclosed repair however, the failure persisted. The contact stated that the vehicle occasionally failed to immediately start-up. The vehicle was taken to the dealer but was not diagnosed because the check engine warning light was no longer illuminated. The contact stated that the failure persisted, and the check engine warning light illuminated, and the rattling noise became more prominent. The vehicle was returned to the dealer who diagnosed that a weld had fractured on the exhaust pipe. The vehicle had not been repaired. The manufacturer was made aware of the failure and confirmed that the VIN was not under recall. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 65,000.

Mileage: 65,000

The contact owns a 2018 Chevrolet Traverse. The contact stated that when the vehicle started, the engine made an extremely loud sound and smoke came from the exhaust. The contact stated that the vehicle sounded like a motorcycle. While the contact's wife was driving the vehicle, there were fumes from the exhaust entering the cabin of the vehicle. The contact stated that his wife had asthma, and the fumes affected her breathing while driving the vehicle. Additionally, the contact's wife was the main driver of the vehicle. The vehicle was taken to the mechanic where it was diagnosed with a fractured mid-pipe assembly bracket. The contact was informed that the mid-pipe assembly bracket needed to be replaced. The vehicle was not repaired. The contact was advised to take the vehicle to the dealer. The dealer was made aware of the failure. The vehicle was scheduled to be taken to the dealer for diagnostic testing. The manufacturer was made aware of the failure and a case was filed. The contact was informed that the repair was not covered under an undisclosed Technical Service Bulletin. The contact was informed that the vehicle was not associated with the Technical Service Bulletin. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 88,835.

Mileage: 88,835

The contact owns a 2018 Chevrolet Traverse. The contact stated that while driving at approximately 75 MPH, there was an abnormal thumping sound coming from the engine compartment. Additionally, the contact noticed a smoky smell in the cabin of the vehicle. The check engine warning light was illuminated. The vehicle was taken to an unknown dealer, where it was diagnosed that the exhaust system needed to be replaced. The vehicle was repaired. The manufacturer was notified of the failure. The failure mileage was 139,136.

Mileage: 139,136

The contact owns a 2018 Chevrolet Traverse. The contact stated while driving 65 MPH, there was an extremely loud sound coming from underneath the vehicle. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the catalytic converter, observing that the catalytic converter had detached from the exhaust pipe. The vehicle was repaired, but the failure reoccurred two additional times. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 92,000.

Mileage: 92,000

The contact owns a 2018 Chevrolet Traverse. The contact stated while driving at an undisclosed speed, the vehicle started to sound like a lawnmower. The check engine warning light was illuminated. The vehicle was taken to the dealer where it was diagnosed with catalytic converter and failed flex pipe failures. The contact was informed that the catalytic converter and the flex pipe needed to be replaced. The vehicle was not repaired. The contact researched and discovered the Manufacturer's Communication Number: 212356540; however, the contact was informed that the vehicle was not eligible for repair. The manufacturer was made aware of the failure. The failure mileage was approximately 80,000.

Mileage: 80,000

The contact owns a 2018 Chevrolet Traverse. The contact stated that upon starting the vehicle, there was an abnormal sound coming from the exhaust and smelled a gasoline odor. The check engine warning light was illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 50,000.

Mileage: 50,000

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.

Mileage: 117,600

The contact owns a 2018 Chevrolet Traverse. The contact stated that while driving at an undisclosed speed, the exhaust system failed. The contact stated that the exhaust system was extremely loud. The vehicle was taken to an independent mechanic where it was diagnosed with a failed exhaust system and the exhaust system needed to be replaced. The vehicle was repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 30,000.

Mileage: 30,000

The contact owns a 2018 Chevrolet Traverse. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the local dealer, where it was diagnosed that the welt was defective, and that there was a hole in the exhaust pipe. The dealer offered to assist with the repair. The vehicle was not repaired. The contact stated that the failure was related to Special Coverage Adjustment N212356540 Front Exhaust Pipe. The manufacturer was contacted and opened a case. The failure mileage was approximately 72,741.

Mileage: 72,741

The contact owns a 2018 Chevrolet Traverse. The contact stated while driving at an undisclosed speed, the vehicle made an abnormally loud sound with the check engine warning light illuminated. Additionally, there was an exhaust odor inside the cabin of the vehicle. The vehicle was taking to the dealer, where it was diagnosed that the catalytic converter was cracked and needed to be replaced. The vehicle was repaired; however, the failure recurred. The vehicle was taken back to the dealer, where the catalytic converter was replaced; however, the failure persisted. The contact stated that he had headaches due to the exhaust odor entering the cabin of the vehicle. The vehicle was taken to the dealer but was not repaired. The manufacturer was notified of the failure and informed the contact that they could not assist because the vehicle was out of warranty. The failure mileage was approximately 76,600.

Mileage: 76,600

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.

Mileage: 42,000

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