Review the gearbox assembly drawings with the technician, checking for potential disassembly problems. Visual examination. Before disassembling the gearbox, thoroughly inspect its exterior.

It takes 200 hours to assemble the 3000 parts needed to produce a Hyundai i20 N Rally2 machine. Here's how the manufacturer has perfected that build process for the European Rally Championship ...

Here is the PPG first gear with needle bearing and the 1-2 selector being installed. Take note of the large dog teeth that replace the failure-prone synchro assembly.