2018 Chevrolet Traverse Engine cooling Problems
- Complaints
- 16about this part
- Share
- 3%of 464 total for the year
- Median mileage
- 80,000miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 16 complaints about the engine cooling of the 2018 Chevrolet Traverse, 3% of the 464 complaints for this model year. Where a mileage was given, the median is 80,000 miles.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“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.”
NHTSA complaint #11592421, filed 2024-06, 50,000 miles“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. …”
NHTSA complaint #11602291, filed 2024-07, 80,000 miles“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.”
NHTSA complaint #11565205, filed 2024-01, 30,000 miles“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.”
NHTSA complaint #11623641, filed 2024-11, 139,136 miles“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. …”
NHTSA complaint #11629203, filed 2024-12, 88,835 milesRelated service bulletins
- 10251890Mar 13, 2024This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
- 10250775Feb 22, 2024This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10250505Feb 7, 2024This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
- 10250503Feb 7, 2024This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
- 10250347Feb 2, 2024This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10249037Jan 11, 2024This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the…
- 10247524Dec 13, 2023This service bulletin provides a repair procedure to correct a customer concern of Coolant and/or Oil Leak, Malfunction Indicator Lamp (MIL) Illuminatedâ.
- 10247192Dec 8, 2023This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- 10246483Nov 29, 2023This service bulletin provides diagnostic aid information/procedures to perform inspections to determine if the engine needs to be replaced as opposed to just internal parts for…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2025 | 1 | 1% |
| 2024 | 2 | 1% |
| 2023 | 3 | 3% |
| 2022 | 1 | 1% |
| 2021 | 7 | 8% |
| 2020 | 27 | 12% |
| 2019 | 4 | 1% |
| 2018 | 16 | 3% |
| 2015 | 1 | 0% |
| 2014 | 2 | 0% |
| 2013 | 1 | 1% |
| 2012 | 2 | 1% |
| 2011 | 9 | 1% |
| 2010 | 8 | 1% |
| 2009 | 12 | 3% |
Other parts of the 2018 Chevrolet Traverse
196 complaintsOther or unknown
109 complaintsElectrical system
102 complaintsEngine
85 complaintsFuel system
38 complaintsBrakes
37 complaintsSteering
14 complaintsExterior lighting
12 complaintsSeat belts
11 complaintsBody and structure
11 complaintsSuspension
10 complaintsElectronic stability control
8 complaints
← All problems reported for the 2018 Chevrolet Traverse
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology