Hyundai Accent overheating problems

Filed Sep 30, 2026 · Engine, Steering · AL

Engine failure on a vehicle under 100,000 miles creates a risk of sudden loss of power while driving. A failing catalytic converter & coil packs can cause overheating and potential fire risk. These components were either pre-existing manufacturer defects or were damaged during the engine replacement process at Auto Nation Columbus (Columbus, GA), neither of which was disclosed to me as the owner.

Filed Sep 2, 2025 · Acceleration, Electrical · TX · 1 injury

I am reporting a severe and hazardous failure involving my 2019 Hyundai Accent. On August 8, 2025, between 9:00 p.m. and 10:00 p.m., while driving on Mopac (Loop 1), a heavily traveled highway in Austin, Texas, the vehicle abruptly experienced an overheating issue without any prior warning. The engine rapidly lost power, causing the vehicle to become unstable in traffic. I managed to maneuver the vehicle to the far-right shoulder, but when I attempted to accelerate and further distance the car from the road, the engine failed completely, emitting a severe sound resembling an explosion followed by an immediate shutdown, rendering the vehicle inoperable. This failure posed an immediate safety hazard. The vehicle was disabled in a dark and high-speed traffic environment, significantly increasing the likelihood of being struck by other vehicles. During the incident, I encountered difficulty releasing my seatbelt, briefly confining myself inside. The sudden breakdown caused me severe distress, leading to a panic and an asthma attack. Although I did not seek medical attention, the physical and emotional consequences were substantial. Since the breakdown, the vehicle has remained completely undrivable and incapable of restarting. The issue has not been replicated due to the vehicle’s inoperability. Prior to this occurrence, I had maintained regular oil changes and performed necessary maintenance, and no warning lamps, error messages, or symptoms manifested before the failure occurred. The manufacturer has been notified, and I am awaiting review by a case manager. The vehicle hasn’t been inspected by a dealership yet. Following the towing of the vehicle to my residence, a mechanic was dispatched to conduct an inspection. The mechanic indicated that the engine may require replacement. However, insurance representatives subsequently arrived and were unable to provide assistance. They asserted that the issue was of a technical and electrical nature and deemed the vehicle a tot

Filed Dec 21, 2023 · Engine · TX

The cast pistons in the turbo engine overheated and caused detonation which has disabled the engine. The extended warranty companies know about this possibility and specifically makes sure it is not covered.

Filed Dec 28, 2022 · Engine · UT

Loud ticking and engine knocking. Car starts to stall and overheat, car does not shift properly. Was told it was failing coils. Replaced all coils and spark plugs, this remedied the flashing ck engine light. Check engine light still on and still says the coil is not responding. Tech says it is a stuck lifter but can't be manually unstuck. Road hazard is car will stall and engine will fail without warning. Car has received regular oil change maintenance.

Filed Oct 20, 2020 · Electrical · NY

Jul 02,2020 manufacturer recall number193 the federal safety agency recall number20v393000 recall statusrecall incomplete summary hyundai motor america (hyundai) is recalling certain 2011-2012 hyundai elantra and sonata hybrid, 2012 accent and veloster vehicles. The 12v accessory socket outlet may have been over-tightened during installation, possibly disabling the thermal fuse and allowing the outlet to overheat with prolonged use, such as by using the tire mobility kit air compressor to inflate a tire. Yesterday, 2020-10-19, since I never owned the original air pump, the dealer (vision hyundai - henrietta new york) refused to repair my vehicle. But both he and you (the federal safety agency) seem to be making a seriously egregious error in logic. Any third party device which plugs into the 12v accessory port could cause the same risk of fire because it is the *port* which is defective, not the air pump. That's what the recall notice says, I quote from above: > the 12v accessory socket outlet may have been over-tightened during > installation, possibly disabling the thermal fuse and allowing the > outlet to overheat with prolonged use, hyundai's proposed work-around of using a direct to battery harness connection is ridiculous on two counts. 1. It doesn't solve the root-cause problem. 2. It requires customers to manually connect wires to the battery, something that we know can be dangerous. I quote: per your own research data: from october 1993-september 1994, there were 581 injuries from checking the battery cables, and 444 injuries from jump starting the battery. For a total of 1025 injuries in one year alone! (data from table 1) (retrieved 2020-10-20 from https://crashstats.the federal safety agency.dot.gov/api/public/viewpublication/97840 ) surely, you (the federal safety agency) wouldn't endorse a solution which has worse safety hazzards than the original problem. Would you?

Filed Jul 28, 2020 · CA

After I see I have a recall in the federal safety agency webpage, I take my car to the dealership in torrance, ca. As a result I was told "they can't do anything and can't provide a solution or an agency to clear out this issue". The problem is that: "if the compressor accessory is connected to the 12v outlet to inflate a tire will possibly cause an overheat at the car outlet". I stated: "I don't have such accessory and I have a regular spare tire". After that was confirmed I requested to clear the recall since I don't have that accessory and only that accessory cause the problem to the outlet. That didn't change their attitude to provide a solution and the technician raymond said: "we are sorry but there is nothing we can do". In my opinion doesn't make sense to tag a car "unsafe with a recall" for an external accessory that is not even in the car or in the market. Solution 1: create a permanent sticker and set next to the 12v outlet "do not connect devices that consume more than (what ever are the amps or watts that cause the overheat) solution 2: dissemble the 12v outlet and re-assemble with the correct torque add to the recall "minor issue, car performance is not in danger"

Filed Oct 15, 2018 · Engine · 45,000 miles · TX

Engine overheated while highway driving (spewing steam). Would not start after cooling down. Mobile mechanic diagnosed a faulty cooling fan that had to be replaced along with reservoir (non-oem replacements were only available at the time). Continued the trip with no further engine temperature problems.

Filed Jun 22, 2017 · Transmission · NV

I live in las vegas nevada, this vehicle overheats and shuts the air conditioner off when it reaches 75% on the temperature gage. Anytime the outside temperature is above 100+ degrees the car will reach 75% while driving in about 30 minutes, if the car is stationary it'll get there in about 10 to 15 minutes. Hyundai manufacturing has said that this is due to a small radiator and a small cooling fan but will currently not repair these issues. Most hyundai dealerships will claim that this is not a problem or that the car does not have a problem. The photographs depict the temperature rising while driving the car. The only time the temperature went down was when I manually shut the AC off.

Filed Sep 28, 2016 · Engine, Transmission · 82,000 miles · OH

Tl* the contact owns a 2009 hyundai accent. The contact stated that the vehicle hesitated and started to decelerate. The vehicle was pulled to the side of the road and the contact noticed transmission fluid spewing from under the vehicle. The failure occurred without warning. The vehicle was towed to the dealer where it was diagnosed that the vehicle overheated due to lack of anti-freeze. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 82,000.

Filed Apr 25, 2015 · Brakes · 50,015 miles · CA

I was driving at approximately 65 MPH when I heard a sudden loud pop/noise that appeared to have come from the rear right side of the car. I thought a tire had exploded. I parked the car on the side of the highway, and upon expecting the car , I could not visually observe anything wrong with the tires or any other part of the car. Later on that day , as I was driving the car I began to hear some grinding noise every time I slowed down, turned or when softly applying my brakes.I called the dealership but they could not service my car until 4 days later so I contacted a mechanic that following day and he said that I needed rear brake pads and new rear rotors. The right rotor had been grinded away on the upper part and the left rotor showed signs of overheating. The mechanic ended replacing the rear rotors and rear brake pads. I use the car for commuting from work to home and viceversa (I drive 50% on the freeway/about miles each day) however it was noticed the front rotors and brake pads are still in good condition. Has anybody experienced similar brake/rotor with this car?