Сперто!!!
Here's a shot of 2 different TD04 refurb kits off eBay. I ended up using the one on the right for the 15G. The contents were practically identical, I've got 2 kits because I've got a 19T to refurb next - this one was the practice one :-)
First step, undo the central band clamp with a 10mm socket:
Now, carefully separate the exhaust side to reveal the exhaust turbine. I used a combination of light taps all round with a rubber mallet, and prizing a screwdriver or knife in t