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Quick question... Im in the process of changing out the rear brake pads and have run into a little issue. The brake caliper piston will not screw in. I have already loosened the parking brake screw so it shouldnt be that. Any other suggestions. I really dont feel like replacing the piston.....
 

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Use a c clamp. You may have to take off the p brake
 

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No it should compress and turn in. Has always worked for me.
 

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Did the piss pot van brakes! same thing with a c-clamp works great! took 15 minutes to do the one side then 15 on the other.
 

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The 700 piston needs to be screwed in like you mentioned. A c clamp works on on smooth bore pistons, but the 700 one needs to be screwed in.

Try loosening the bleeder screw before you screw in the piston. I use a clear hose on the bleeder screw to capture any fluid in a bottle. You can use a pair of needle nose pliers to grab two of the grooves in the machined + in the face of the piston. Make sure that the piston is all the way in and the top of the + is facing up, so the pin on your inner brake pad will line up.
 
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