Chery automobile Service Manual page 311

-- Use the compressed air to press the piston out of
the brake caliper housing. Place a wooden block
in the piston indent when pressing so as to avoid
the piston damage, as shown in the figure.
-- Apply a tool to carefully pry out the sealing ring,
as shown in the figure.
-- Install the sealing ring into the piston with a dust
boot.
-- Use a tool to install the internal seal ring into the
seal groove inside the wheel cylinder of brake
caliper, as shown in the figure.
-- Apply the special piston assembly tool to press the
piston of brake caliper into the caliper housing, as
shown in the figure. The external sealing lip of
dust boot shall be installed into the groove of
piston.
-- Install the brake caliper body whose sealing ring is
already replaced.
P-7