So the next little win was cleaning up the brake reservoir.
Anyone look inside one before?
It is a serious labyrinth of inaccessible walls.
So I thought I would try various different things to clean it the best I can.
Petrol and brush, wash and rinse failed.
Jif/Handy Andy/amonia based kitchen cleaner failed.
Bleach failed.
Hot water and bleach failed.
Then popped to Mickey next door and grabbed some sharp sand (Google it) and added it, along with Fairy Liquid dish washing liquid and some water to create a thick gloopy paste and shook it around for a bit.
After this a thourough multiple rinse gave me the result I had hoped for.
Almost looks like new.
Should blend in nicely with the rest of the clean and new parts.
.