I just bought a slightly used 2005 Trek 8000 w/LX Hydraulic Disc Brakes. It's the first time I've had hydraulic disk brakes. I got the bike in today and the brake system is locked. The brakes are fully engaged and the wheels will not move. But, strangely enough, there is NO OIL in the brake system. The oil was drained out by the previous owner.
Can someone explain this to me? Do the brakes lock up if there is no oil, I would think that the opposite would be true. Perhaps there is a locking mechanism?
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