Quote:
Originally Posted by ProTouring442
... if you press super-hard on the brakes while at a stop, you can make the brake light come on.
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If your brake warning light is connected to the pressure differential switch in your combination valve, the cause is an abnormal pressure difference between the front and rear brake lines. I have to agree that the hydroboost is allowing you to create excessive line pressure and distort the drums and shoes. The disc fronts probably give much less. Be careful you dont damage something.
