Home Forums Cars Valve cover gasket 누유에 따른 교체 문의 Valve cover gasket 누유에 따른 교체 문의 Name * Password * Email 1). These “donut” rubber washers will harden over time and oil can leak out. So, you should replace these washers. 2). You should NOT apply sealant to the face of the gasket because they’re designed to seal dry. Hope it helps. https://www.youtube.com/channel/UCMZYNzRpj7JZ-zv99d8kAmw 013 영일샘 I agree to the terms of service Comment