Quote Originally Posted by StockEngine View Post
it is the valve cover gasket. for an old car. there could be more things to do. we have a gasket keep things in and out. replace as soon as possible.

1998-2008 Toyota Corolla Valve cover gasket remove and install - YouTube

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Sir, thank you very much sa expert advice... natatakot lang ako at baka bigla na lang akong itirik sa daan.. kaya from time to time check ako lagi.