If the light is on, it will need checked and diagnosed.
I assume you mean the valve cover gasket. You replace it by removing the valve cover and cleaning off the oil gasket and the mounting surface. The install the new gasket and reinstall the valve cover. Tighten it to the specifications the manufacture of your engine recommends.
Check your crankcase ventilation, the hose or pcv may be blocked or disconnected.
you will have a very oily engine engine compartment, the cover and gasket prevent the oil that is pumped to the valve rockersfrom escaping and hence drain back to the sump
how do you replace the valve cover gasket on a 2002 mitubishi lancer
The valve cover gasket, on a 2004 Jeep liberty, can be found by removing the valve cover. Peel the gasket off of the head and replace with a new gasket.
What is a oil cover
Not usually valve cover gaskets tend to leak after time just due to the constant temperature changes in the engine
video to learn how to replace the engine gasket..upper & lower gasket for 1999 Monte Carlo.
The valve cover ask it, on a S 40 Volvo, can be replaced by first removing the valve cover. Remove the old gasket and replace with a new gasket.
The year, make, model and engine info would help.
The vehicle year, model and engine info needed.
simply remove the valve cover gasket,take the old one off,clean the area well, and replace the gasket,tighten the cover evenly.(if ur gasket is made of corque take care not to break the gasket