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Discussion Starter #1
Bench bleeding a new m/c and keep getting this stuff squeezing through. Debris? I thought it was some kind of fuzz, tooling oil maybe? I’ve been digging it out but it keeps coming up!

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Probably some sort of assembly lube. If it bothers you remove it.
 
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Just some guy
67 coupe, 69 Sportsroof, 86 hatchback
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The question arises, why would somebody use a petroleum based assembly lube on internal brake parts. It's kind of NOT done. Especially by a commercial rebuilder. Hackles up.
 

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Discussion Starter #7
One hack to another I guess.
thanks guys. I sucked it out with a few feet of extra hose. Was trying to get that little worm and lost track of where the fluid was.. not only will it take off paint it tastes like crap!
 

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1966 Mustang GT 4sp Nightmist Blue
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That’s really common especially when using Dot 4 or higher brake fluid. My mechanic friend(works on Merced’s, Audi and BMW) says he sees it all the time and it’s of no concern but I removed mine anyway lol.
Chris
 

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Discussion Starter #10
I used DOT3 but even with the jizz floating around in there it’s better than what bled out.


tied for the worst brake fluid I’ve ever seen. And it’s only a tie because I don’t think it can get much worse.
 

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From the looks of that mung It would be a good idea to completely replace all the fluids in your brake system
 
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