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Mixing old brake fluid with new one

23K views 5 replies 5 participants last post by  AlexRandall 
#1 ·
I just did the full bleed of my brakes for the first time. What I did was just emptying the syringes over the bottle with the new brake fluid and mix the old fluid with the new one.

Is this a big no-no or I can reuse brake fluid with no issues? The fluid was less than a year old inside the brakes (Avid DOT 5.1).
 
#5 ·
No. What I did is once the bleed was over, I let the remaining (old) fluid in the syringes to go back with the new fluid bottle that came with the avid bleed kit. Basically because I don't know what to do with old fluid, as I suppose trowing it to the sewage is a big sin.

From what nov0798 advises I'll let the fluid apart from the new one and see if my car mechanic can take care of old fluids...
 
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