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●Apply thread fastening glue to the thread of the caliper
pin, torque: 27N.m (2.8kgf.m, 20 lbf.ft).
●The torque of the air release nozzle: 7～9N.m (0.7～
0.9kgf.m, 5～7 lbf.ft).
●The open end of the piston should face the caliper
mounting plate, and do not install it backwards.
●If there is slight rust on the surface of the piston, it can
be polished off with 2000 mesh fine sandpaper.
Brake hose and wheel speed sensor
Check the gap between the wheel speed sensor and
the induction ring gear
Caution:
●The vehicle needs to be parked on a stable lifting
platform or on a level and level ground.
Put down the main bracket to park the vehicle firmly
and let the rear wheels hang in the air.
Use a feeler gauge to check whether the gap between
the wheel speed sensor and the ABS induction ring gear
is 0.4-1.2mm (0.02-0.05in).
If the gap is not within the specified range, check
whether the wheel speed sensor is damaged and
whether the ABS induction ring gear is loose. The front
wheel needs to check whether the position of the sensor
installed on the front disc brake caliper mounting plate is
deformed, and the rear wheel is to check whether the
mounting position on the rear rocker arm is deformed
and whether the rear wheel nut is loose.
Front wheel
Rear wheel
Remove the brake hose and wheel speed sensor
Caution:
●Check whether the brake hose is normal according to
the maintenance table.
●Before disassembling the brake hose, drain the brake
fluid before operation.
●Before removing the hose, remove the upper cover of
the front and rear disc brake main pump, loosen the disc
brake oil pipe bolts from the front and rear disc brake
calipers to drain the brake fluid.
●The discharged brake fluid needs to be properly
disposed of, and it is forbidden to continue to use it. It is
forbidden to dump at will to pollute the environment; or
put it at will, etc. It should be handed over to a qualified
recycling unit for proper disposal.
Release brake fluid
a. Refer to the previous steps to remove the oil pan
first, place the oil pan at the front and rear calipers,
remove the disc brake oil pipe bolts and copper pads
first, and drain the brake fluid into the oil pan, and then
refer to the front and rear disc brake main pumps. Add
brake fluid step to remove the upper cover of the main
pump to accelerate the discharge of brake fluid.
Remove the disc brake oil pipe bolts and copper pads at
the main pumps of the front and rear disc brakes. Only
the disassembly steps of the brake hose are explained
here.
b. Press the buckle indicated by the arrow, turn the
plug push rod in the direction indicated by the arrow,
and pull out the plug. In order to prevent the remaining
brake fluid from entering the plug when the hose is
removed in the next step, the plug of the hydraulic
control unit can be wrapped with an oil-resistant film
plastic bag.
FMC-HU: Front disc brake main pump-hydraulic control unit
FC-HU: Front disc brake caliper-hydraulic control unit
RMC-HU: Rear disc brake main pump-hydraulic control unit
RC-HU: Rear disc brake caliper-hydraulic control unit
Use oil-resistant plastic bag or plastic film to put it
around the bottom of the hydraulic control unit, and fix it
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