Quote:
Originally Posted by rdrr
I've had the same problem after caliper rebuilds. In my case re-bleeding improved the situation a little, but not a lot. My mechanic recommended putting pressure on the pedal and leaving it overnight, i.e. depress the pedal with a suitably sized piece of wood and wedge it between the seat and the pedal. This improved it a lot. A bit of spirited driving improved it further.
The reason for the problem is (I believe) that the new dust boots are initially not fully seated and pull the piston further back than normal. You then get longer than normal pedal travel. Once the boots are fully seated, the problem dissappears.
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This sounds like my situation. I did try some spirited driving with a few hard fast stops and it seemed to stiffen up the pedal for a few miles, so it sounds like the same problem you were having.
The rubber hoses and MC are practically new (~7,000 miles) and feel and look like they are in very good shape. All of my brake bleeds were done using a motive pressure bleeder at about 10-12psi. I think I will try depressing the pedal over night and bleeding again after some spirited drives and see if that helps.