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86 Bounder 454 Chev P30 chassis, brakes worked fine until I parked it in storage lot 2 months ago. Now brakes go to the floor and the fluid in the front brakes is empty. When I refill it, the brakes still go to the floor after bleeding the system. Since I've had the rig, brake fluid goes down somewhat, I refill it twice a year. No leaks on the ground. Is this a hydroboost problem, and if so is a rebuild necessary? |