Oil seals close spaces between moving or stationary mechanical components to prevent lubricants like grease and oil from escaping, while also preventing dust, dirt, moisture, and other contaminants from entering the seal. Also known as shaft seals, dirt seals, lip seals, or grease seals, the primary components of any oil seal include an inner metal ring, which provides structural support, and a spring, which provides interference for effective sealing.
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Carefully lift off the cover. If it sticks, gently tap it sideways with a soft-faced rawhide or nylon hammer, or with the heel of your hand.
The right valve cover gasket is a critical sealing component that ensures the proper sealing of the valve cover to the cylinder head. This gasket plays a pivotal role in preventing oil leaks and contaminants from entering the engine, contributing to the overall efficiency and reliability of the engine. Selecting the right valve cover gasket is essential for maintaining the integrity and performance of the engine.
Maintenance and Inspection of Oil Seals


Assembling the oil seal


Remove the key and keep it safe until ready to refit the pulley.