general problems of the 2022 Hyundai Palisade - part 2

The contact owns a 2022 Hyundai Palisade. The contact stated that when the vehicle it was purchased, the VIN was included in NHTSA campaign number: 22v633000 (trailer hitches) and was repaired. The contact stated that after the recall repair was completed, the radiator suddenly failed, and the vehicle would overheat, and the heater failed to operate as needed. The vehicle was taken to the dealer who diagnosed that the radiator had failed and needed to be replaced. The radiator was replaced. After having the repair completed, the vehicle would shake while accelerating and driving at various speeds. The contact stated that failure mostly occurred while the transmission was shifting into 2nd gear. The contact stated that engine was overheat and the coolant reservoir needed to be refilled every day. There were no warning lights illuminated. The vehicle was taken to tasca central avenue Hyundai (111 s central Ave, hartsdale, NY 10530); and was diagnosed and determined that the transmission was slipping and needed to be repaired. The vehicle was returned to the first dealer who diagnosed that the coolant hose had failed and needed to be replaced. The vehicle was not repaired. The contact retrieved the vehicle from the dealer and the transmission warning light was illuminated. The manufacturer was informed of the failure and opened a case. The failure mileage was approximately 40,000.

Radiator began to leak in January 2023 at approximately 15000 miles. Replaced under warranty.

I pulled off the highway onto an exit. Midway down the exit, the engine shut off and breaking was impaired. I was able to yank the wheel to the right and pull it off onto the shoulder to avoid a collision. Was able to restart vehicle and get home.

The engie restarted itself after being shut off and no key was near vehicle and continued to run overnight, filing car with carbon monoxide. Hyundai service department was contacted and said no inspection was need but to monitor car and contact Hyundai customer line and advise. The reference case number is 20244323.

Started to notice an oil spot under the vehicle at around 4500 miles. Since the car is brand new and hadn't even had its first oil change, we immediately scheduled a service appointment. We were finally able to get it into the dealership 2 weeks later and received a diagnosis shortly after drop off. Turns out the oil leak was coming from the head gasket on the right bank of the engine and requires replacement of both head gaskets. The engine oil level was low and the service technician recommended the car not be driven until it could be repaired as simply adding oil would continue to contribute to the leak. Parts have been ordered and requested via next day delivery however they currently do not have an eta as to when the parts will arrive. The repair job is estimated at 10-12 hours so it will be out of service for 2 days just for repairs once parts do come in. Plus Hyundai would not reimburse car rental fees even though the dealer was out of service loaners however after a day, they were able to provide one. Of greater concern however is why would the head gaskets be leaking oil while the car is still basically being broken in from new. I've had cars of multiple brands with well over 100k miles that never leaked from the head gaskets. If these engines are assembly line built, I'm concerned that the torque specs were off when assembling the heads to the block causing the leak. If that's the case, this issue could begin to pop up on many other vehicles built at the same time. Hyundai is covering under warranty at no cost but now I'm concerned over our investment that we've only had now for 3 months and future reliability. The vehicle is currently out of service for an undetermined amount of time. If not caught, this could have resulted in a full engine failure as the low oil warning never came on.