The manual transmission extension house seal is fitted to the transmission to keep the fluid inside.
Manual transmission extension housing gasket principleThe transmission is equipped with many seals and gaskets that help retain the fluid inside the transmission. There is a transmission extension housing seal is made of metal and rubber material and is usually around the driveshaft and transmission output shaft. The extension housing seal must be fitted tightly into the transmission to prevent a leak or damage to the rubber seal.
Common issues with a faulty manual transmission extension housing sealA faulty manual transmission extension housing seal can lead to difficulty going into gear, poor engine performance, or low transmission fluid levels.