jam1231 wrote:but if it is sieze wouldnt it be like that all time? because when the cool off the brakes work okay until they pressurize.
Well like you said, you rebuilt the right rear, if it's hot/warm perhaps it's not retracting back into the caliper and is stuck open. If it's only that caliper it could be why it's not causing catastrophic problems, but will cause problems w/ the lines after the brakes get warm. Seriously take it apart again and see if it's stuck out. I hate the rear calipers. Mine is making noises but i think it might be the slider pins in the caliper.