2018 Chevrolet Malibu Engine cooling Problems
- Complaints
- 6about this part
- Share
- 1%of 700 total for the year
- Median mileage
- 103,167miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 6 complaints about the engine cooling of the 2018 Chevrolet Malibu, 1% of the 700 complaints for this model year. Where a mileage was given, the median is 103,167 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 Malibu. The contact stated while driving at an undisclosed speed, the check engine and the turbo charger warning lights illuminated. The accelerator pedal was depressed; however, the vehicle failed to accelerate as intended. The vehicle was taken to an independent mechanic where it was diagnosed with turbo charger failure. The contact was informed that the turbo charger needed to be replaced. The vehicle was not repaired. The dealer was made aware of the failure but provided no assistance. …”
NHTSA complaint #11665798, filed 2025-06, 140,741 miles“The contact owns a 2018 Chevrolet Malibu. The contact stated that there was a failure near the fuse box. Additionally, there was a grinding sound coming from the vehicle while the brake pedal was depressed. There were no warning lights illuminated. The contact stated that the engine warning light was illuminated prior to the failure. The ECM and PCM were diagnosed, and DTC: P0689 was retrieved. The vehicle was undrivable. An appointment was scheduled; however, the vehicle was not yet diagnosed or repaired due to the cost of the diagnostic test. …”
NHTSA complaint #11721715, filed 2026-03, 123,334 miles“The contact owns a 2018 Chevrolet Malibu. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. The vehicle was towed to the dealer and diagnosed with ECM module failure. The dealer informed the contact that the ECM module needed to be replaced. The vehicle was not repaired and remained at the dealer. The manufacturer was made aware of the failure and informed the contact that the warranty had expired. The failure mileage was approximately 46,285.”
NHTSA complaint #11469433, filed 2022-06, 46,285 miles“The contact owns a 2018 Chevrolet Malibu. The contact stated while driving approximately 55 MPH, the vehicle shifted into Limp Mode. The contact stated that she pulled over and when the gear was shifted to park (P), the brake vacuum pump failed. No warning light was illuminated. The vehicle was then towed to her residence. The contact stated that an independent mechanic went to her residence and diagnosed the vehicle. The independent mechanic retrieved DTC: P0365 for the camshaft position sensor. …”
NHTSA complaint #11485891, filed 2022-09, 83,000 miles“The contact owns a 2018 Chevrolet Malibu. The contact stated that while driving at various speeds, several unknown warning lights were flashing on the instrument panel. The vehicle was taken to a dealer where a diagnostic test was performed, and the contact was informed that there was no oil in the vehicle. The contact refuted the mechanics findings and had the vehicle towed back to the residence. The contact then stated that while driving at 50 MPH, the vehicle lost power with the message Engine Power Reduced displayed. The contact pulled over to the shoulder and turned off the vehicle. …”
NHTSA complaint #11657909, filed 2025-04, 141,000 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…
- 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.
- 10245395Nov 6, 2023This service bulletin provides a vibration analysis worksheet the technician can use in conjunction with the appropriate Vibration Analysis-Road testing procedure when diagnosing…
- 10244273Oct 6, 2023This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 10242966Sep 8, 2023This service bulletin provides a procedure to inspect and possibly repair terminals that may be damaged to correct customer concerns of Loss of Power, Malfunction Indicator Lamp…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 4 | 6% |
| 2022 | 10 | 10% |
| 2020 | 3 | 2% |
| 2019 | 1 | 1% |
| 2018 | 6 | 1% |
| 2017 | 5 | 1% |
| 2016 | 2 | 0% |
| 2015 | 1 | 0% |
| 2014 | 3 | 1% |
| 2013 | 11 | 1% |
| 2012 | 4 | 0% |
| 2011 | 12 | 1% |
| 2010 | 11 | 1% |
| 2009 | 9 | 1% |
| 2008 | 12 | 1% |
| 2007 | 7 | 1% |
| 2006 | 25 | 2% |
| 2005 | 17 | 2% |
| 2004 | 20 | 2% |
| 2003 | 41 | 7% |
| 2002 | 63 | 11% |
| 2001 | 149 | 21% |
| 2000 | 174 | 19% |
| 1999 | 138 | 17% |
| 1998 | 144 | 15% |
| 1997 | 60 | 14% |
Other parts of the 2018 Chevrolet Malibu
281 complaintsElectrical system
192 complaintsTransmission and drivetrain
171 complaintsOther or unknown
153 complaintsVehicle speed control
114 complaintsFuel system
101 complaintsBrakes
69 complaintsSteering
42 complaintsElectronic stability control
21 complaintsAir bags
14 complaintsSuspension
13 complaintsExterior lighting
9 complaints
← All problems reported for the 2018 Chevrolet Malibu
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