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A ticking sound from the valve cover can be caused by several factors, including insufficient oil levels or oil viscosity, which can lead to inadequate lubrication of the valve train components. Worn or damaged rocker arms, lifters, or push rods may also contribute to the noise. Additionally, a loose valve cover or failing gasket can create gaps that allow noise to escape, amplifying the ticking sound. Regular maintenance and timely oil changes can help prevent these issues.

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3w ago

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