How to replace a Shimano freehub - video - BikeRadar
Freehub Body Disassembly/Assembly - YouTube
Freehub Service | Park Tool
Freehub Body Disassembly/Assembly - YouTube
Bicycle Repair Maintenance & Cycling Traveller - The common Shimano® freehub uses internal loose ball bearing, pawls and springs. Be aware that it is not recommend to completely dismantling the freehub itself.
Swapping a Shimano Mavic Aksium freehub wheel to Campagnolo | Llave inglesa - by fernandoj
Freehub Body Disassembly/Assembly - YouTube
Shimano 105 freehub FH-5800 - pawls not engaging, repair or replace? - Bicycles Stack Exchange