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Engine coolingPart report

2021 Chevrolet Traverse Engine cooling Problems

Complaints
7about this part
Share
8%of 92 total for the year
Median mileage
65,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 7 complaints about the engine cooling of the 2021 Chevrolet Traverse, 8% of the 92 complaints for this model year. Where a mileage was given, the median is 65,500 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“The contact owns a 2021 Chevrolet Traverse. The contact stated that while starting the vehicle, the front exhaust pipe made an abnormally loud sound, and there was an odor inside the vehicle. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was made aware of the failure but informed the contact that there was no recall associated with the VIN. The failure mileage was approximately 74,000.”

NHTSA complaint #11702197, filed 2025-12, 74,000 miles

“The contact owned a 2021 Chevrolet Traverse. The contact stated that the vehicle was taken to an independent mechanic for an inspection, where a leaking oil pan gasket was diagnosed. The contact stated that the failure had also occurred on a 2019 Chevrolet Traverse he owned. Although the vehicle had been taken to the dealer two months prior, the dealer did not find the failure. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 72,400.”

NHTSA complaint #11749147, filed 2026-07, 72,400 miles

“The contact owns a 2021 Chevrolet Traverse. The contact stated that while driving at an undisclosed speed, she heard an abnormal rattling sound emanating from underneath the vehicle. The check engine warning light was illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the catalytic converter. Additionally, the contact was informed that the exhaust system needed to be replaced. The contact stated that the exhaust had previously failed and was replaced. The vehicle was not repaired. …”

NHTSA complaint #11591562, filed 2024-05, 61,000 miles

“The contact owns a 2021 Chevrolet Traverse. The contact stated that while driving at an undisclosed speed, the check engine and oil warning lights illuminated. After a visual inspection of the engine compartment, the contact observed that the engine oil was abnormally low and required 2-quarts of oil to top off the oil level even though the vehicle had recently been serviced. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 41,000.”

NHTSA complaint #11692590, filed 2025-10, 41,000 miles

“The contact owns a 2021 Chevrolet Traverse. The contact stated while driving at an undisclosed speed, there was an abnormal rattling sound coming from the exhaust pipe. There were no warning lights illuminated. The vehicle was taken to a local dealer; however, the vehicle was not yet diagnosed. The contact related the failure to Technical Service Bulletin: PIP5681C (Exhaust leak, Lean Codes, Rattle Noise, or Catalytic Converter Failure Codes); however, the vehicle was not included. The manufacturer was made aware of the failure and referred contact to the NHTSA Hotline for assistance. …”

NHTSA complaint #11596535, filed 2024-06, 33,000 miles

Engine cooling: other model years

YearComplaintsShare of year
202511%
202421%
202333%
202211%
202178%
20202712%
201941%
2018163%
201510%
201420%
201311%
201221%
201191%
201081%
2009123%

Other parts of the 2021 Chevrolet Traverse

Electrical system
22 complaints
Other or unknown
22 complaints
Transmission and drivetrain
16 complaints
Engine
11 complaints
Brakes
9 complaints
Forward collision avoidance
4 complaints
Steering
4 complaints
Air bags
3 complaints
Fuel system
3 complaints
Vehicle speed control
3 complaints
Seat belts
2 complaints
Suspension
2 complaints

← All problems reported for the 2021 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