Primary shaft: It is also called an output shaft. It provides necessary torque into the car. It's got ridges and teeth Hence the gears can shift effortlessly. Apa masalah nya? adakah GB saya dah out? and kalau GB rosak, berbaloi baiki atau cari kat Halfcut GB lain (macam mana nak https://manuelqrsqp.tinyblogging.com/not-known-factual-statements-about-gearbox-auto-77468049