2018 Chevrolet Tahoe Engine cooling Problems
- Complaints
- 3about this part
- Share
- 3%of 105 total for the year
- Median mileage
- 90,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 3 complaints about the engine cooling of the 2018 Chevrolet Tahoe, 3% of the 105 complaints for this model year. Where a mileage was given, the median is 90,000 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 Chevrolet Tahoe. The contact stated while driving 35 MPH, the vehicle inadvertently lost motive power. The contact was able to pull over to the shoulder of the roadway, where the vehicle was restarted. The ABS and check engine warning lights were illuminated. The vehicle was towed to the dealer, who diagnosed a failure with the crankshaft push rods, resulting in damages to the engine. The contact was informed that the crankshaft and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. …”
NHTSA complaint #11644019, filed 2025-02, 83,000 miles“The contact owns a 2018 Chevrolet Tahoe. The contact stated that while starting the vehicle, the engine made abnormal rattling and knocking sounds. No warning light was illuminated. The vehicle was taken to the dealer, who determined that the camshaft and valve train needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 25V274000 (Engine and Engine Cooling); however, the VIN was not included in the recall. The manufacturer was made aware of the failure and advised the contact to file a complaint with the NHTSA Hotline. …”
NHTSA complaint #11669195, filed 2025-06, 90,000 miles“The contact owns a 2018 Chevrolet Tahoe. The contact stated that while driving approximately 65 MPH, the vehicle decelerated and abruptly slowed down and lost motive power. The check engine warning light was illuminated. The vehicle was towed to an independent mechanic who informed the contact that the SMR lifter and the engine failed. The contact called the local dealer who informed her that the parts were back ordered but the vehicle was not diagnosed or repaired. The manufacturer was notified of the failure but provided no additional assistance. The approximate failure mileage was 104,163.”
NHTSA complaint #11493707, filed 2022-11, 104,163 milesRelated service bulletins
- 10252125Mar 21, 2024This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause…
- 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.
- 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 |
|---|---|---|
| 2026 | 2 | 7% |
| 2025 | 1 | 2% |
| 2024 | 9 | 13% |
| 2023 | 18 | 8% |
| 2022 | 10 | 5% |
| 2021 | 17 | 4% |
| 2019 | 1 | 1% |
| 2018 | 3 | 3% |
| 2017 | 1 | 1% |
| 2015 | 2 | 0% |
| 2011 | 1 | 0% |
| 2009 | 2 | 1% |
| 2008 | 2 | 0% |
| 2007 | 21 | 2% |
| 2006 | 2 | 2% |
| 2005 | 7 | 2% |
| 2004 | 20 | 4% |
| 2003 | 20 | 4% |
| 2002 | 19 | 4% |
| 2001 | 16 | 3% |
| 2000 | 7 | 2% |
| 1999 | 27 | 5% |
| 1998 | 21 | 8% |
| 1997 | 12 | 3% |
| 1996 | 25 | 9% |
| 1995 | 3 | 1% |
| 1994 | 3 | 16% |
| 1993 | 1 | 13% |
Other parts of the 2018 Chevrolet Tahoe
28 complaintsEngine
20 complaintsTransmission and drivetrain
20 complaintsBrakes
19 complaintsElectrical system
13 complaintsSteering
11 complaintsFuel system
8 complaintsForward collision avoidance
4 complaintsBody and structure
3 complaintsVehicle speed control
3 complaintsAir bags
2 complaintsExterior lighting
2 complaints
← All problems reported for the 2018 Chevrolet Tahoe
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 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