2018 Hyundai Elantra Engine cooling Problems
- Complaints
- 4about this part
- Share
- 1%of 284 total for the year
- Median mileage
- 47,618miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine cooling of the 2018 Hyundai Elantra, 1% of the 284 complaints for this model year. Where a mileage was given, the median is 47,618 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.
“I have been having issues with my car since November 2021. My car would not go over 35 miles per hour, if I let my car sit for a couple of days I would have to jump my car. My check engine light came on and then 10 minutes later went off. So I finally got it in to the Hyundai dealership after months of them not having enough mechanics. So they did a multipoint inspection and came back saying the catalytic converter needed to be replaced even though no codes in the system. So I was coming back from Florida when my car stopped accelerating on the highway and my check engine light. …”
NHTSA complaint #11466621, filed 2022-05“The contact owns a 2018 Hyundai Elantra. The contact stated that after an oil change was performed at Jiffy Lube, the engine seized while driving. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power. Several unknown warning lights were illuminated. The vehicle was coasted to the side of the highway and parked. The vehicle was towed to the residence, and the tow truck driver informed the contact that an unknown engine part had detached on the road and there was no oil in the engine. …”
NHTSA complaint #11697229, filed 2025-11, 86,151 milesRelated service bulletins
- 10247189Oct 13, 2023This bulletin provides important checkpoint guidelines when performing engine oil and filter change services.
- 10217251Jul 28, 2022Follow the guidelines outlined in this bulletin to inspect and clean or replace certain components of the engine intake system accordingly during engine short block or…
- 10204251Nov 16, 2021This update includes information related to Electronic Control Module (ECM) software to revise control logic for completion of OBD-II Fuel System Readiness Monitor diagnosis.
- 10204246Nov 16, 2021This bulletin provides information related to an Electronic Control Module (ECM) software update to revise control logic for completion of OBD-II Fuel System Readiness Monitor…
- 10190044Mar 30, 2021This bulletin provides the service procedure for engine connecting rod bearing clearance testing. Perform the procedure outlined in this bulletin to fulfill the Bearing Clearance…
- 10189989Mar 10, 2021This bulletin provides the inspection procedure and repair guidelines for certain vehicles listed below.
- 10172219Feb 13, 2020Hyundai is conducting a Service Campaign related to an Electronic Control Module (ECM) software update to include cylinder imbalance learning logic optimization for Malfunction…
- 10172215Feb 13, 2020This bulletin provides information related to the Engine Control Module (ECM) software update for 2018 - 2019MY Elantra (AD/ADA) vehicles equipped with 2.0L engine. This software…
- 10172140Feb 4, 2020Some 2018-2019MY Elantra (AD) and Elantra GT (PD) 2.0L vehicles may have a weakened weld near where the center muffler is attached to the exhaust pipe. This condition may cause…
- 10152865Dec 17, 2018This bulletin provides information on certain 2017-2018 model year Elantra (AD/ADA) 2.0L vehicles to update the ECM (Engine Control Module), update the HVAC ECU, and to update…
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 1% |
| 2021 | 3 | 2% |
| 2020 | 3 | 1% |
| 2019 | 4 | 2% |
| 2018 | 4 | 1% |
| 2017 | 4 | 1% |
| 2016 | 3 | 1% |
| 2015 | 3 | 1% |
| 2014 | 2 | 1% |
| 2013 | 3 | 0% |
| 2012 | 2 | 0% |
| 2011 | 5 | 1% |
| 2010 | 5 | 1% |
| 2008 | 17 | 5% |
| 2007 | 7 | 3% |
| 2006 | 4 | 3% |
| 2005 | 6 | 4% |
| 2004 | 11 | 6% |
| 2003 | 21 | 9% |
| 2002 | 11 | 3% |
| 2001 | 19 | 6% |
| 2000 | 43 | 22% |
| 1999 | 22 | 17% |
| 1998 | 12 | 22% |
| 1997 | 20 | 17% |
| 1996 | 20 | 20% |
| 1995 | 20 | 18% |
| 1994 | 8 | 11% |
| 1993 | 5 | 21% |
| 1992 | 8 | 28% |
Other parts of the 2018 Hyundai Elantra
142 complaintsOther or unknown
54 complaintsElectrical system
43 complaintsTransmission and drivetrain
24 complaintsFuel system
23 complaintsExterior lighting
16 complaintsSteering
16 complaintsBrakes
15 complaintsBody and structure
15 complaintsVehicle speed control
13 complaintsAir bags
12 complaintsWheels
10 complaints
← All problems reported for the 2018 Hyundai Elantra
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