Hyundai Elantra overheating problems

Filed Nov 6, 2026 · Suspension, Wheels · MD

Even before 40K miles, there has been sound from the suspension and engine mount at front wheels . Multiple visits to the dealer couldn’t resolve the problem and it poses a threat in road. Also there were multiple failures in the car before 40K miles such as oil temperature controller unit that led to overheating of engine and smell from engine, engine mount failure, sound from the front wheels and multiple visits to dealer . There Amy be hidden problems too that led me not to drive longer with this vehicle which kills the purpose of buying it .

Filed Oct 26, 2026 · Electrical · 115,000 miles · CA · fire

The contact owned a 2008 Hyundai Elantra. The contact stated that upon pulling into the driveway, the power steering and ABS warning lights illuminated. After researching the warning lights online, the contact turned off and exited the vehicle. The contact became aware of smoke coming from underneath the hood. Upon opening the hood, the contact noticed that the under hood was on fire and called the Fire Department. The Fire Department arrived on the scene and extinguished the fire. The contact was informed that fire had originated under the dashboard nearby the computer. The vehicle was inspected, towed, and then deemed a total loss by the insurance company. The contact stated that the vehicle was previously repaired for an engine overheating failure two weeks prior to the fire. The failure mileage was approximately 115,000.

Filed Apr 14, 2026 · Engine · IL

The contact owns a 2021 Hyundai Elantra. The contact stated that while driving approximately 70 MPH, there was an abnormal sound coming from the vehicle. No warning lights were illuminated. The vehicle was towed to a dealer to be diagnosed; however, the cause of the failure was not determined. The vehicle was not repaired. The vehicle was towed back to the dealer to be diagnosed; however, the cause of the failure was still not yet determined. The vehicle was not repaired. The vehicle was towed back to the dealer, where it was diagnosed with a coolant leak, and the thermostat needed to be replaced. The vehicle was repaired; however, the failure persisted. The manufacturer was notified of the failure. The failure mileage was unknown.

Filed Mar 23, 2026 · Electrical, Engine · FL

I am writing to formally report a safety concern regarding my 2018 Hyundai Elantra. The vehicle has experienced a failure of the heater hose/pipe, which appears to be made of plastic and connected to a metal component. This failure has resulted in a coolant leak, creating a serious risk of engine overheating. This issue is not only inconvenient but also dangerous. A sudden loss of coolant while driving can cause the engine to overheat without warning, potentially leading to engine failure, loss of vehicle control, or leaving the driver stranded in unsafe conditions. This is especially concerning while driving on busy roads or highways. Based on my experience and discussions with repair professionals, this appears to be a known issue with this model, as the part is not widely available outside of Hyundai/Kia and may indicate a design flaw. A critical cooling system component should not fail prematurely under normal driving conditions. Given the safety risks associated with this defect, I believe this issue warrants further investigation and consideration for a recall or extended warranty coverage. Consumers should not be responsible for costly repairs caused by a potentially defective design. I respectfully request that Hyundai review this issue and provide assistance with the repair, as well as take appropriate action to ensure the safety and reliability of affected vehicles. Sincerely, [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Nov 21, 2025 · Engine · OH

It is showing signs of excessive oil consumption. 200 miles before my next scheduled oil change there was no oil in the car, causing overheating issues. It uses the same engine as other recalled years for the same issue. However they never issued a recall for the 2018. The only update I've ever received was a surprise notice from Valvoline, mid oil change, that if I didn't use the more expensive oil change option, which I couldn't afford in the moment, that I would void any warranty from Hyundai. There was no prior notice or contact from Hyundai informing me of this "New" (the valvoline tech's words not mine) policy. So not only is my car experiencing an issue known to affect this engine, they get to absolve themselves from responsibility by surprising someone with a greater expense than they are expecting, by not giving notice to their customers? This doesn't seem fair and needs to be addressed. Since that first visit I have followed their recommended oil change specs and still have excessive consumption. The date I'm giving is the approximate date of that first visit to valvoline when my car had no oil and I was told mid change about the new policy.

Filed Sep 24, 2025 · Electrical · GA · fire

During the incident, there was an aggressive flow of smoke coming from behind the steering wheel within the dashboard indicating overheating and/or a fire. My vehicle was inspected by my local dealer, Ed Voyles Hyundai, who stated that their inspection found a burning left rear tail light assembly with fluid inside of it. No warning lamps or prompts appeared during the incident.

Filed Sep 24, 2025 · Electrical, Fuel system · GA

I am reporting a recurring issue with my 2023 Hyundai Elantra where the low oil pressure warning light illuminates consistently during strong acceleration. This is accompanied by a distinct smoky odor from the vehicle. Based on my research into recall 23V‑859, which addresses fire risks from a faulty electronic controller for the oil pump in the Idle Stop & Go system, I believe my vehicle is experiencing a related or identical failure. The symptoms strongly suggest that the defective oil pump controller is malfunctioning under load, potentially leading to dangerous overheating and a short circuit.

Filed Feb 18, 2025 · Brakes, Engine · 147,000 miles · FL

The contact owns a 2019 Hyundai Elantra. The contact stated while driving at various speeds and depressing the brake pedal, the vehicle made an abnormal rubbing sound and hesitated to respond, causing the braking distance to be extended. The brake warning light illuminated. The vehicle was not diagnosed or repaired. Additionally, the contact stated that the internal trunk release lever was inoperable. The contact stated that the trunk required to be slammed manually to close securely. Additionally, the contact stated while accelerating from a complete stop, the vehicle was significantly sluggish. The contact stated that the failure recurred while driving at various speeds and depressing the accelerator pedal. The contact also stated that the vehicle was overheating while driving. The check engine warning light was illuminated. The Hyundai dealer was notified of the failure and informed the contact that a fee would be charged for diagnostic testing. The vehicle was taken to a used car dealer, Sandy Sansing Automotive (6200 Pensacola Blvd, Pensacola, FL 32505), where it was diagnosed that the catalytic converter had failed and needed to be replaced. The dealer determined that the catalytic converter and unknown parts needed to be replaced. The vehicle was not repaired. The contact related the failure to the federal safety agency Campaign Number: 21V301000 (Engine); however, the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was approximately 147,000.

Filed Aug 13, 2024 · Engine · GA

On July 28th 2024, I took my new 2023 Hyundai Elantra to its first oil change at a Take 5 oil change center. They replaced the oil, filter, checked the fluid levels in my car, and topped the fluids off. That evening, I noticed there was a liquid leaking from behind the passenger side tire, and at first thought it was water from the A/C, but in the morning, I noticed a puddle of liquid was under the car. I went back to Take 5 on August 5th and informed them that I believed there was coolant leaking from the vehicle following my oil change. The worker checked and said my coolant reservoir was completely empty, and he refilled the coolant and told me to take it to be diagnosed at a full service auto center. On August 13th I noticed there was a smell of burning metal coming from the engine bay when I turned the car on and took it to a Firestone where they informed me that the radiator cap had failed and was no longer holding the pressure in the radiator, and that almost all the coolant had leaked from my car. I had the radiator cap replaced and kept the original to take to the Hyundai dealership to see if this was a manufacturers defect or the result of improper handling by the Take 5 worker.

Filed May 27, 2024 · DE

Yesterday May 26 2024 while my husband was driving he had on the air conditioner in our car. Suddenly the warning light went off that car was overheating. This also happened the day before. He was stopped at a light the 2nd time. The car has less then 7000 miles. We recently had the oil and air filter changed at Hyundai dealership. There was no problems at the time of service a month ago. All fluids were normal and everything seemed fine. I don't know why this happened. I googled 2024 Hyundai Elantra and another customer with EXACT same model is also have this SAME issue.