Brake Fluid black again
May 13th, 2019, 2:18 PM
#1
Brake Fluid black again
I took the Van for a “complete” brake fluid flush. They showed me the used liquid (like half of a bottle) black as a coke, and then the new one in the reservoir.
I lasted 1 week after is all black again as a coke.
Any thoughts?
I lasted 1 week after is all black again as a coke.
Any thoughts?
May 13th, 2019, 2:27 PM
#2
decomposing rubber brake lines.
May 13th, 2019, 9:27 PM
#4
even if you have bad lines they should go black that fast......im sure they just changed the fluid in the master cylinder.........a full flush will be a lot of fluid exchanged...more than 1/2 a bottle especially if you have anti lock brakes.......ive flushed brake fluids on many vehicles and youll need close to 2-3 quarts....
May 13th, 2019, 9:48 PM
#5
even if you have bad lines they should go black that fast......im sure they just changed the fluid in the master cylinder.........a full flush will be a lot of fluid exchanged...more than 1/2 a bottle especially if you have anti lock brakes.......ive flushed brake fluids on many vehicles and youll need close to 2-3 quarts....
May 14th, 2019, 12:14 AM
#7
I have a “track toy”. I bleed the brakes after each race myself. I just dont have the time/will to do it also for the van... lol
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May 14th, 2019, 2:15 PM
#8
Hope this brakesystem has only DOT3 brakefluid in it.
In my mind, a friend of mine had years ago a problem like this.
He went to shop and they hadn`t DOT3 and he took DOT 4 or anything else.
Shop said DOT4 is better than DOT3 and he filled this fluid. In Germany DOT3 is not so common, I think we use more DOT4 or 5.
Time later problems with brakesystem including black brakefluid.
It was so black that we named it fluidcoal. A jamglass full of this and You were not able to see very little light when torch should light throu.
A third vanner said we found the stuff, where black holes in space made from.....
End of all, we had to flush hole system with brakecleaner and replaced a lot of rubberthings in main + wheelcylinder and all rubbertubes on axles.
By the way, last week I manual flushed my 95 G20 4 wheel antilock and it`s took about a quart to have clear output of wheelcylinder + pumpmodul-bleeder.
Good Luck...
In my mind, a friend of mine had years ago a problem like this.
He went to shop and they hadn`t DOT3 and he took DOT 4 or anything else.
Shop said DOT4 is better than DOT3 and he filled this fluid. In Germany DOT3 is not so common, I think we use more DOT4 or 5.
Time later problems with brakesystem including black brakefluid.
It was so black that we named it fluidcoal. A jamglass full of this and You were not able to see very little light when torch should light throu.
A third vanner said we found the stuff, where black holes in space made from.....
End of all, we had to flush hole system with brakecleaner and replaced a lot of rubberthings in main + wheelcylinder and all rubbertubes on axles.
By the way, last week I manual flushed my 95 G20 4 wheel antilock and it`s took about a quart to have clear output of wheelcylinder + pumpmodul-bleeder.
Good Luck...