In addition to starting the engine, the ignition spark plug also plays a role in regulating the engine's performance. A properly functioning spark plug can improve fuel efficiency, reduce emissions, and maintain engine power. On the other hand, a faulty spark plug can lead to issues such as misfiring, rough idling, and poor acceleration.
4. Install the Oil Seal
If you have prepared the assembly properly, then you are already largely on your way to a successful installation. The assembly of the oil seal itself is not complex. It is, of course, important that it is done properly in view of the longevity and reliability of the seal.
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.
An oil seal consists of:

sheet gaskets.