Remove the rotor (see Replacing the cover and rotor). Remove the boot. Unscrew the six Allen bolts on the piston flange. Remove the piston.
1
Remove the snap ring with the snap ring removal tool.
![](/sites/default/files/styles/support_steps_images/public/step1.png?itok=OXhRtrmW)
2
Remove the valve with the valve insertion/removal tool.
![](/sites/default/files/styles/support_steps_images/public/step2_e.png?itok=MmIpNOES)
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