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Avid Juicy 7 hydrolic disc brakes piston lock up

My front Juicy pads are pushed all the way closed. I can't fit the disc in between the pads because the pistons are pushed all the way out. I had my bike in the car for a day, with the front wheel off. I go to put the wheel back on and the pistons won't return to fully retracted. When I pull on the brake lever, the pads to slightly move together, but they don't return to the fully retracted position. Maybe the heat expanded the fluid and jammed the pistons? How do I go about fixing this?

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Do not bleed the brakes! If you don't have the plastic rectangular spacers that came with the brake when they were new, go to your local bike shop or get an "old" teflon kitchen spatula that's thin enough to fit but make sure its a bit thicker than your rotors and try to pry the pads apart then wiggle it until a good portion is in between the pads. Then squeeze the brake lever with the spatula is in between. This should reset the pads leaving enough clearance for your rotor to fit. NOTE: Avoid depressing the lever when the wheel is off. This will cause the pistons to travel further than usual causing both pads to come together. Hope this helps.
Well if you have the transportation plastic "tool" that usually comes with the brakes you can insert it in between the pads and it will retract them, otherwise use a wide screwdriver and insert it between the pads and then gently pry the pads apart. That will do it...If anything in the future just visit your LBS and ask them if they have any of those transportation pieces around so you can insert it in between the pads the next time your taking your bike somewhere.

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