Proper installation and maintenance of the valve cover gasket are essential to ensure its effectiveness and longevity. Regular inspection and replacement of the gasket when necessary can help prevent oil leaks and maintain the integrity of the engine. Adhering to recommended service intervals and using high-quality replacement components are essential for optimizing the performance and longevity of the engine's valve cover gasket.
Hydrogenated nitrile natural rubber (HNBR)
- To replace a distributor oil seal, the distributor cap and rotor must be removed to access the seal. The old seal is then carefully removed and replaced with a new one
distributor oil seal. It is important to make sure that the new seal is properly seated and sealed to prevent any oil leaks in the future.- Regular maintenance, such as checking the condition of the oil seal and replacing it as needed, can help prevent premature failure and extend the life of your vehicle's powertrain system. It's also a good idea to have your vehicle serviced regularly by a qualified mechanic who can check the condition of the oil seal and other components of the powertrain system.
- To replace a distributor oil seal, the distributor cap and rotor must be removed to access the seal. The old seal is then carefully removed and replaced with a new one
Requirements of the shaft
Even more important than a correct interference fit of the Oil Seal is a perfectly smooth shaft in the region of the seal, particularly if shaft surface speed is high and the medium to be sealed is under a certain amount of excess pressure. The surface roughness of the shaft depends on the average profile depth Ra of the tool marks caused by the machining process. Oil Seals made of PTFE require, independent of the surface speed, a surface roughness of between 0,1 to 0,2 mm, because PTFE has less wear resistance than rubber seals. For normal circumstances, the shaft in the region of the seal must have a surface roughness of approximately: To summarize, the surface of the shaft in the region of the seal should not have noticeable machining marks. For pivoting shafts and other difficult or critical sealing applications, it is recommended that Oil Seals with a helical groove hydrodynamic pattern, which has a pumping effect, be used. When grinding and polishing, an axial movement of the grindstone along the shaft must be avoided in order to prevent machine lay.5