I think what he was getting at is: if so inclined, you can repair or replace your own clutch (as a hobbyist or someone who is mechanically inclined), but doing

I think what he was getting at is: if so inclined, you can repair or replace your own clutch (as a hobbyist or someone who is mechanically inclined), but doing the same to a hydraulic-based automatic transmission or a CVT is a tall order unless you are professionally trained.