Disassembly and assembly of primary and secondary shafts, differential and forks (Skoda Octavia 1U)

1 – differential; 2 – sealing ring (4 pcs., replace each time); 3 – secondary (driven) shaft; 4 – support of the reverse gear axle; 5 – reverse gear axle; 6 – primary (drive) shaft; 7 – reverse gear shift fork; 8 – screw, 25 Nm; 9 – gear shift drive (gear shift forks); 10 – clutch housing; 11 – Hexagonal nut, 25 Nm + 90° (4 pcs for bearing mounting); 12 – shaft with flange and compression spring; 13 – screw, 25 Nm (built into the gearbox with a compression spring behind the flange shaft)