2021 GMC Yukon Engine cooling Problems
- Complaints
- 32about this part
- Share
- 9%of 343 total for the year
- Median mileage
- 82,000miles
- Trend
- RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA recorded 32 complaints about the engine cooling of the 2021 GMC Yukon, 9% of the 343 complaints for this model year. Where a mileage was given, the median is 82,000 miles. 1 recall campaign on record is filed under a similar system.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2021 GMC Yukon. The contact stated that while driving at an undisclosed speed, there was an abnormal knocking sound coming from the engine compartment before the vehicle lost motive power. The check engine warning light was illuminated. The contact pulled over to the shoulder of the roadway, where the failure persisted. The vehicle returned to normal functionality, but the failure became a regular occurrence. …”
NHTSA complaint #11670482, filed 2025-07, 70,000 miles“The contact owns a 2021 GMC Yukon. The contact stated that while driving at 70 MPH with family members in the vehicle, the transmission independently shifted into neutral. No warning lights illuminated. The contact was able to steer the vehicle into a residential driveway, where the vehicle failed to restart. The contact requested towing services; however, the initial tow driver failed to arrive after nearly three hours, requiring the contact to call a second tow company. …”
NHTSA complaint #11759996, filed 2026-08, 151,017 miles“The contact owns a 2021 GMC Yukon. The contact stated that while his wife was driving at an undisclosed speed, there was an abnormal ticking sound coming from the engine. There was no warning light illuminated. The following day, the contact's wife dropped the vehicle off at a dealer for a diagnostic test to be performed. Several days later, the contact was informed that the lower bearing in the crankshaft had failed, and the engine needed to be replaced. …”
NHTSA complaint #11680134, filed 2025-08, 124,296 miles“The contact's daughter owns a 2021 GMC Yukon. While the owner was driving at an undisclosed speed, there was an abnormal ticking sound coming from the engine compartment. The sound was intermittent but frequent. The vehicle stalled intermittently with several unknown warning lights illuminated. The vehicle was taken to an independent mechanic, who advised that the vehicle needed to be taken to a dealer for additional assistance. The vehicle was taken to a dealer, but it was not yet diagnosed. …”
NHTSA complaint #11726913, filed 2026-03, 154,000 miles“The contact owns a 2021 GMC Yukon. The contact stated that while pulling into a parking space at an undisclosed speed, the vehicle stalled. The contact associated the failure with NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the VIN was not included in the recall. The vehicle was towed to a dealer, where it was diagnosed that the fuel pump control module had failed. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 81,000.”
NHTSA complaint #11760378, filed 2026-08, 81,000 milesRelated recalls
- 25V274000Apr 24, 2025General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500…Covers: GMC Yukon 2021–2024, Chevrolet Tahoe 2021–2024, GMC Yukon XL 2021–2024 +5 more
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 12 | 11% |
| 2023 | 14 | 6% |
| 2022 | 13 | 7% |
| 2021 | 32 | 9% |
| 2020 | 1 | 3% |
| 2019 | 1 | 2% |
| 2018 | 1 | 1% |
| 2017 | 1 | 1% |
| 2015 | 1 | 0% |
| 2013 | 1 | 1% |
| 2012 | 1 | 2% |
| 2011 | 1 | 1% |
| 2009 | 2 | 2% |
| 2008 | 2 | 1% |
| 2007 | 11 | 3% |
| 2006 | 1 | 4% |
| 2005 | 2 | 2% |
| 2004 | 5 | 3% |
| 2003 | 12 | 6% |
| 2002 | 5 | 3% |
| 2001 | 9 | 5% |
| 2000 | 2 | 1% |
| 1999 | 12 | 6% |
| 1998 | 3 | 4% |
| 1997 | 7 | 5% |
| 1996 | 9 | 13% |
| 1995 | 3 | 3% |
| 1993 | 1 | 6% |
Other parts of the 2021 GMC Yukon
189 complaintsFuel system
56 complaintsTransmission and drivetrain
55 complaintsElectrical system
31 complaintsOther or unknown
23 complaintsForward collision avoidance
19 complaintsAir bags
18 complaintsBrakes
12 complaintsSteering
11 complaintsSeats
7 complaintsSuspension
6 complaintsVehicle speed control
6 complaints
← All problems reported for the 2021 GMC Yukon
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