Everything back together, and now notice some wetness at the rear passenger caliper. Thought it might be residual from all the work, but no such luck. How do I tell if the leak is from the main piston seals or the secondary piston seals? There did seem to be some fluid behind the check valve when I removed it. Should that be bone dry underneath? I ordered a rebuild kit, but now I am having second thoughts?? Thanks ( I just replace the pads, rotors, and e brake cables)
