All of our re-manufactured transmissions are 100% Tested and all factory updates are performed. We perform further updates to prevent overheating, and the dreaded hard shift from 1st to 2nd gear. We disassemble, clean, and inspect all parts by hand. Any issues found internally are solved and handled before reassembly begins. We use All New Gaskets, Seals Metal Clad Seals, Sealing Rings, Paper and Rubber NOTHING REUSED!