General Category > R1200 models

Flushing ABS

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Haakon:
What "safe to use" brake fluid does NOT attract water?
If any???
Many years ago I decided to change my brake fluid once a year, just to make sure its "dry" (not water contaminated)
Too many times have I had total brake failure caused by water contaminated brake fluid.

Jughead:

--- Quote from: Beemerboy on May 09, 2014, 12:42:22 PM ---@ Jughead,

You could concider using DOT 5.1 ( NOT DOT 5 !) brakefluid.

DOT 5.1    
Dry  boiling point: 260 °C (500 °F)    
Wet boiling point: 180 °C (356 °F)

as DOT 4
Dry  boiling point: 230 °C (446 °F)
Wet boiling point: 155 °C (311 °F)

Both DOT 4 and DOT 5.1 are polyethylene glycol-based fluids

greetz  ;)

--- End quote ---

Correct! 5.1 is all I use.

However, ride some steep passes downhill and the fluid (especially on the rear) will quickly exceed even the 280deg mark.

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