This video is an in- depth instructive teardown and rebuild of a Garrett T3 turbocharger for people of all skill levels.

This particular T3 came from a Volkswagen 1.6TD engine, but this guide should work for all T3 and T4 journal bearing turbos.

Rebuild Kit:
https://www.amazon.com/dp/B07SCGSTS4?...

Replacement Turbine Shaft (must be ground down):
https://mercedessource.com/store/617-...