There will be a "O" Ring on the Axle stud or Wheel Studs that need to be removed
here is Jeep procedures
click link below
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What should I do slam them off with hammer? Will I damage anything?
If you have the "O" Ring/s off, then spray the center with soapy water & be sure E-Brake is off & Rotor turns free"Carefully" hammer off, as hammering can damage Rotor & or Shaft
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