Over-tightening will crush the washer too much, causing it to fail on the next change. It is typically thicker in the center and thinner at the edges.
Copper Crush Washer Maintenance and Proper Installation Techniques
If the drain plug is not started correctly on the stud, the resulting friction can generate immense heat. They conform exceptionally well to the mating surfaces, creating a superior seal.
The design of the washer itself is engineered for controlled failure. " Once compressed, it does not return to its original shape perfectly.
H3 heading: Proper Copper Crush Washer Maintenance for Lasting Seals
A crush washer is a simple yet critical sealing device used in automotive oil pans. The most common types are copper, aluminum, and steel.
More About Oil drain plug crush washer
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