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best way to remove paint from brake parts

  • Thread starter Thread starter apopleptic
  • Start date Start date
Great photos of 30 year old brake fluid that has evolved in to what appears to be a living entity. One to show people why it's important to keep things clean and change their fluid.

Did that mc piston come out alright? When they get like that it can be a bit of a tugging match.
 
Believe it or not the piston was moving freely, but I had to tear off the old boot, then hit the circle clip with a punch to make new holes in it then hit it a few more times to get it free.
biggest problem for me was not having the right tools. not all ring clip pliers are the same, even tried making my own :D
Thank to Pete, I decided beforehand that I would replace the piston/cup.
It would have been alot easier not to, who knows how long until it would have failed.
I did come up with a handy way to keep the plunger depressed while getting the clip out.
CIMG5506.jpg

that is a brad nail stuck lightly into the drain hole on the MC. when you go to release the piston the nail captures the spiral on the piston and keeps it down.
I was able to hold it 'depressed' with just the pinkie finger while hitting another nail into the clip with a hammer. ;)
CIMG5510.jpg

CIMG5511.jpg
 
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Mate you've done well! I can't believe that piston was still moving in there... glad to see you're getting the new piston and cup set though, definitely well worth the few dollars it will be.

Should look good red too, but I suppose you can always strip it and paint it black if you don't like it...

My piston was stuck solid and there was corrosion basically binding it to the cylinder wall and I hit it back in with a hammer on a screwdriver to try to free it up and it was just pitting and scratching up the cylinder, it was in bad shape. That's why I just bought a whole new master cylinder...

Here's some more horror pic's to hopefully encourage more people to do things properly:



 
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