Sealed Transmission is Complex You cannot open a sealed transmission to check or replace the fluid. Only the professionals with exact knowledge of the same can perform such applications. One should not even attempt to open or check the transmission oil by own. Sealed transmissions help to reduce the amount of “bad” transmission fluid being disposed of. Engineers have been charged with creating equipment to function longer, without necessarily redesigning the basic function. Sealed Transmission Bearings Double sealed transmission ball bearings are available for use in both three speed car and four speed truck transmissions. There have been a lot of discussions about sealed bearings for this application and many people are apprehensive or skeptical, but I believe sealed ball bearings are the best choice. “Sealed” transmissions and “lifetime” fluid mean what they say. They last as long as they last, then you replace the transmission. Of course, if you can find a way to maintain it, it will last much, much longer. Sealed transmissions — those without dipsticks or even a recommended ATF service interval — can be found in everything from thrifty commuter sedans to full-size pickups. Many American, European and Asian vehicles come with sealed transmissions, so it’s not even a matter of preference or style.

Sealed Transmission Maintenance
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Sealed Transmission Cars
