Not Ranked
A few possibilities that I can think of:
Bad master cylinder
Excessive rotor runout
Loose wheel bearings
Caliper sticking in its support frame (floating design only)
It still might be air in the system. You didn't describe when you didn't have the problem.
It would help if we knew more about the details of your system.
Last edited by strictlypersonl; 01-21-2010 at 04:30 PM..
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