it's great to know that the pads are holding up so well. do you have a standard or auto trans? brakes tend to last much longer with a standard because the engine does alot of the braking. as for draining the fluid, this really isn't really needed. however something that should be practice with all ABS systems is opening the bleeder valve while SLOWLY compressing the caliper piston, the reason for this is to avoid backflushing any contaminants into tha ABS module. you would be surprised how much damage a small piece of crud does to a module, something none of us want to pay for,

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POLICAN4912