REFLECTOR:Brake Fluid Mystery

[Dennis Martin]

John,

Same mystery here.  Silicone fluid goes in purple - presto chango, it 
comes out yellow.  I've changed brands from NAPA to another auto 
parts store, and no change.    No contaminants likely since my bird 
has been in a hangar from day one.

Let us know if anyone solves this chameleon mystery.
Dennis Martin
N 767DG Chevy FG


>When you're parked, if you depress the brakes hard and hold them there, do
>they stay rock solid or do they slowly depress until you have to take a new
>stroke to keep them engaged...evidence of a leak somewhere.  A leak of that
>size should become pretty evident if you do 5 or 10 minutes of pedal
>pressure in your parking spot.  The fluid should start pooling somewhere!
>
>I was surprised by the yellowing of the dot 5 fluid when exposed to moisture
>and air.  I did a brake bleed job a couple weeks ago and some spilled into a
>shallow plastic container, as I was being rained on, so there is max air
>exposure and water/fluid in the pan and it's still purple.  Odd?
>
>Chuck
>
>-----Original Message-----
>From: reflector-admin@tvbf.org [mailto:reflector-admin@tvbf.org]On
>Behalf Of John Dibble
>Sent: Sunday, August 10, 2003 3:55 PM
>To: reflector@tvbf.org
>Subject: REFLECTOR:Brake Fluid Mystery
>
>
>My co-pilot side reservoir is losing fluid, about 15 cc (1/2 oz) during
>a 6.5 hr flight (1 TOL).  I can't find the leak.  Inside the nose is dry
>as a bone.  I occasionally see a drop of yellow fluid on the rear corner
>of the pilot side gear door.  I am adding a purple colored dot 5 fluid.
>Any ideas?
>
>John
>
>
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