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What are Oil Seals and the different types?


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Never use a used seal in another project as it may develop defects such as cracks or bubbles in the seal lip previously used.
On some engines you have to remove the clutch-housing cover to reach the rear nuts.
Installing Oil Seals: A Step-by-Step Guide
ERIKS
In addition to the installation procedure, our specialists and suppliers would also like to draw your attention to some cases that occur around oil seals.
Temperature

Fitting an oil seal
The last step involves the actual pressing-in of the seal. There are tools and tool kits available that can help with seal installation. Their biggest benefit is that they apply a very uniform force to the seal case, eliminating the possibility of the seal seating in any way other than flush.
PTFE is special in that a pre-tensioned spring is not required. This is because the material returns to its original shape when heated, also known as the shape-memory polymers (SMPs) effect. These oil seals are also supplied as integrated parts, where it only needs to be installed as one component.