Dismantling brake caliper

Fig 1: Placing Block Of Wood In Front Of Piston And Pushing Piston Out Using Compressed Air

Courtesy of VOLVO CARS OF NORTH AMERICA.

WARNING:

Take care to avoid getting fingers caught when piston is pushed out.

Put a block of wood in front of piston. Push piston out carefully using compressed air.

Fig 2: Identifying Dirt Guard, Cylinder Lining Piston, O-Ring, Bleed Nipple, And Rubber Bushings

Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove dirt guard (3).
Remove O-ring (4). Use weatherstrip tool 981 4071 or similar so as not to damage edges of groove.
Remove rubber bushings (7) and bleed nipple (5).