If you pulled both slides out then the caliper should come out. The inner pad has a clip that goes into the piston, so the piston must be pushed back far enough for the pad to clear the lip on the rotor before you can remove the caliper.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record