Rear Brake Caliper: Disassembly

Remove brake pipe from brake caliper.
Remove brake caliper mounting bolts (1) and let caliper down. See Fig 3.
Drain remaining brake fluid.
Remove dirt guard (3).
Put a block of wood in front of pistons (4) and press out carefully with compressed air. See Fig 3.
Remove pistons. If one piston comes out but the other will not, use clamp and rubber insert as a counter-hold in place of the removed piston.
Use weatherstrip tool or similar to remove "O" rings (5). See Fig 3.

NOTE: Do not separate the 2 halves. This requires special pressure testing equipment and special assembly fluid.

Fig 1: Exploded View Of Rear Brake Caliper (S70 & V70)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Exploded View Of Rear Brake Caliper (V70 XC)

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Dismantling Brake Caliper

Courtesy of VOLVO CARS OF NORTH AMERICA.