The contact owns a 2017 Lincoln MKC. The contact stated while the vehicle was parked, the contact became aware of a leak underneath the vehicle. The vehicle was taken to an independent mechanic where the spark plugs and coils were replaced; however, the failure persisted. The vehicle was taken back to the independent mechanic and was diagnosed with a cracked engine block. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 51,000.

- Pittsfield, MA, USA

The contact owns a 2017 Lincoln MKC. The contact stated that while driving at various speeds with the heater in the on position, the vehicle overheated. The temperature gauge increased to the highest level. The engine was overheating, and the message was displayed. The contact had to turn the heater off. The contact called the local dealer, where it was diagnosed that an engine replacement was needed. The vehicle was not repaired. The contact mentioned that the vehicle had previously been repaired under NHTSA Campaign Number: 23V378000 (Engine). The manufacturer was notified but provided no assistance and referred the contact to the NHTSA Hotline. The failure mileage was approximately 100,000.

- Albany, NY, USA

The contact owns a 2017 Lincoln MKC. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated on the instrument panel. The vehicle was taken to an independent mechanic, who determined that coolant intrusion had damaged the engine. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. After investigating the failure, the contact related the failure to Technical Service Bulletin: 19-2346. The manufacturer was not notified of the failure. The failure mileage was 34,500.

- Houston, TX, USA

The contact owns a 2017 Lincoln MKC. The contact stated that coolant was leaking into the engine. Additionally, the brakes were firm while being depressed. The contact stated that the battery was replaced. The check engine warning light was illuminated. The contact called the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was not contacted. The contact stated that the failure was related to NHTSA Campaign Number: 23V378000 (Engine). The failure mileage was approximately 95,000.

- Saint Petersburg, FL, USA

The contact owns a 2017 Lincoln MKC. The contact stated while driving at undisclosed speeds, there was no heat being distributed throughout the vehicle. There were no warning lights illuminated. The contact stated that coolant was leaking into the engine. The vehicle was taken to the local dealer, and the contact was informed that there was coolant intrusion into the engine and that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was contracted but did not assist. The failure mileage was approximately 55,453.

- Southfield, MI, USA

The contact owns a 2017 Lincoln MKC. The contact stated while driving at approximately 35 MPH, the vehicle shuddered and stalled. The contact was able to pull over. The check engine warning light was illuminated. The vehicle was taken to the local dealer, where it was diagnosed and determined that cylinder #4 had misfired. The contact stated that the engine block was defective, and the vehicle was leaking coolant. The vehicle was not repaired. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 26,809.

- Las Vegas, NV, USA

The contact owns a 2017 Lincoln MKC. The contact stated that while parked with the engine idling, the engine inadvertently revved. The contact stated that while driving at an undisclosed speed, the low coolant warning light illuminated. The contact noticed a cloud of white smoke coming from the exhaust pipe. Additionally, the contact-??s husband stated that after his wife turned the vehicle around to drive back home, he noticed white smoke coming from the exhaust pipe. Upon inspecting under the hood, the contact-??s husband noticed that the coolant level was low and added coolant. Additionally, the contact-??s husband diagnosed the vehicle with an ODB code reader and retrieved an engine misfire code. The vehicle was taken to the dealer where it was diagnosed that coolant had intruded into cylinder #1 causing engine failure. The vehicle remained at the dealer for further diagnostic tests. The vehicle had not yet been repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 86,000.

- Van Alstyne, TX, USA

The contact owns a 2017 Lincoln MKC. The contact stated that while in a drive-thru line with the vehicle idling, the vehicle started overheating with a message displayed on the instrument panel. The contact received notification of NHTSA Campaign Number: 23V378000 (Engine) however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. VIN tool confirms parts not available. The failure mileage was unknown.

- Leitchfield, KY, USA

The contact owns a 2017 Lincoln MKC. The contact stated while driving approximately 40 MPH and accelerating to switch lanes, several unknown warning lights illuminated. The contact was concerned that a major failure might occur and pulled off of the road. The contact turned the vehicle off and had the vehicle towed to a dealer. The dealer diagnosed that the vehicle had a cracked gasket and stated that coolant had leaked into the engine. The dealer determined that the engine needed to be replaced. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 90,000.

- Taylor, MI, USA