Contaminants can enter your gearbox oil by vents or perhaps the fill tube throughout checking/filling. More often than not, on the other hand, contaminants are the result of normal wear. The gearbox filter safeguards towards these contaminants which allows boost gearbox lifetime. Aged automatic transmissions generally have metallic mesh filters. https://filter-gearbox46676.vblogetin.com/39816998/top-filter-gearbox-secrets