The contact owns a 2019 Chevrolet Silverado 1500. The contact stated while parked and unoccupied, while servicing the vehicle, the contact became aware that coolant was leaking from a coolant hose. The contact stated that a dealer was contacted. The vehicle was taken to the dealer where it was diagnosed and determined that the coolant line needed to be replaced. The manufacturer was notified of the failure and opened a case. The vehicle was not repaired. The contact related to the failure of Customer Satisfaction Program: N212326940 (Engine Oil Cooler Lines Detaching from Crimp); however, the VIN was not included in the program. The manufacturer was notified of the failure but offered no assistance. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was 97,000.