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Originally Posted by J60SON
Not in this weather, only if the temperature outside warms up?
I would tend to agree that there may be moisture somewhere that is frezzing with the climate. I would have thought that if moisture got into the brake fluid it would tend to give a sponge effect on the brake pedal which it doesn't.
I will try a full flush when we get a spell over frezzing point.
Thank you for your advice
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Brakes have a "sponge effect" when 1) air is trapped in the system or 2) moisture in the fluid is actually boiling due to heavy use like at a track.
If you have moisture in the fluid and its freezing in the ABS unit, calipers or lines, it gives the brake pedal a very wooden feel. Or you could have a faulty booster diaphragm.
You must stop using the car or flush the system immediately - driving with 10% braking capacity is totally irresponsible ......