The contact owns a 2017 Buick Cascada. The contact stated that while driving at various speeds, there was an abnormal squealing sound coming from the vehicle. There was no warning light illuminated. The vehicle was taken to an independent mechanic where it was discovered that the diaphragm inside the PCV (Positive Crankcase Ventilation) valve had ruptured. The part was replaced by the mechanic. Upon investigation, the contact discovered that the failure was covered under warranty through the manufacturer. The manufacturer was notified of the failure but denied the request for a reimbursement since the vehicle was not serviced at the dealer. The vehicle was repaired. The failure mileage was 45,928.

- Cape Coral, FL, USA