Rio L4-1.6L (2004)
3. Position a block of wood or a roll of shop towels between the piston and the caliper.
WARNING: NOT USE AN EXCESSIVE AMOUNT OF AIR PRESSURE TO REMOVE THE PISTON. EXCESSIVE PRESSURE CAN
FORCE THE PISTON OUT OF THE CALIPER BORE WITH ENOUGH FORCE TO CAUSE PERSONAL INJURY. NEVER
ATTEMPT TO CATCH THE PISTON BY HAND AS IT COMES OUT OF THE CALIPER BORE.
NOTE: A compressed air can be used as an alternative to removing the caliper piston. Apply the air pressure through the fluid inlet port. Apply
only enough pressure to ease the piston out of the bore.
4. Remove the piston.
5. Remove the piston seal from the caliper bore. Use a plastic or wooden stick to remove the seal.
6. Remove the bleeder screw.
7. Remove the bushing and the pin bolts.
CAUTION: Do not use petroleum based solvent, kerosene, or gasoline for cleaning caliper parts. Their use as a cleaning agent can leave residues
which can damage the rubber seals.
8. Wash the parts in clean denatured alcohol and dry with a compressed air.
ASSEMBLY
1. Install the piston seal.
