2018 GMC Acadia Engine cooling Problems
- Complaints
- 1about this part
- Share
- 0%of 398 total for the year
- Median mileage
- 126,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2018 GMC Acadia, 0% of the 398 complaints for this model year. Where a mileage was given, the median is 126,000 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 2018 GMC Acadia. The contact stated that while driving at an undisclosed speed, the vehicle failed to accelerate while attempting to shift gears. The contact stated that the vehicle jerked and made an abnormal sound, with the check engine warning light illuminated. Additionally, the contact stated there was black and white smoke coming from the rear of the vehicle. The vehicle was taken to the dealer, where it was diagnosed with transmission, cooling system, and fuel system failures. The dealer also determined that the engine was leaking oil. …”
NHTSA complaint #11695258, filed 2025-10, 126,000 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…
- 10250579Feb 15, 2024This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
- 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.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 3 | 2% |
| 2020 | 1 | 1% |
| 2019 | 5 | 1% |
| 2018 | 1 | 0% |
| 2017 | 2 | 0% |
| 2014 | 2 | 0% |
| 2012 | 3 | 1% |
| 2011 | 4 | 1% |
| 2010 | 10 | 3% |
| 2009 | 8 | 2% |
| 2008 | 20 | 2% |
| 2007 | 12 | 3% |
Other parts of the 2018 GMC Acadia
164 complaintsOther or unknown
118 complaintsElectrical system
109 complaintsEngine
35 complaintsSteering
24 complaintsBrakes
22 complaintsElectronic stability control
12 complaintsFuel system
10 complaintsLane departure
6 complaintsBack-over prevention (rear camera)
5 complaintsSeats
5 complaintsSuspension
5 complaints
← All problems reported for the 2018 GMC Acadia
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