Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Service manual — part 561
BR-29
Rear Disc Brake Assembly
BRAKE
7. Rear Disc Brake Assembly
A: REMOVAL
1. BREMBO TYPE
CAUTION:
Do not allow brake fluid to come in contact with
the painted surface of the vehicle body. If it
does, wash off with water and wipe away com-
pletely.
1) Lift up the vehicle, and then remove the rear
wheels.
2) Remove the union bolt and brake hose from the
caliper body.
3) Remove the caliper body assembly.
4) Remove mud and foreign matter from the caliper
body assembly.
CAUTION:
Be careful not to allow foreign matter to enter
the brake hose connector.
2. EXCEPT FOR brembo TYPE
CAUTION:
Do not allow brake fluid to come in contact with
the painted surface of the vehicle body. If it
does, wash off with water and wipe away com-
pletely.
1) Lift up the vehicle, and then remove the rear
wheels.
2) Remove the brake hose bracket.
3) Disconnect the brake hose.
4) Remove the caliper mounting bolts.
5) Raise the caliper body, and then move it toward
vehicle center to separate it from the support.
6) Remove the brake pad, and then remove the
support from the housing.
NOTE:
Remove the support only when replacing the rotor
or support. It is not necessary to remove it when
servicing the caliper body.
7) Remove mud and foreign matter from the caliper
body and the support.
CAUTION:
Be careful not to allow foreign matter to enter
the brake hose connector.
B: INSTALLATION
1. BREMBO TYPE
1) Install the caliper body to the housing.
Tightening torque:
65 N·m (6.63 kgf-m, 47.9 ft-lb)
2) Apply a thin coat of Molykote M7439 or grease
contained in the pad kit to the pad side.
BR-00704
BR-00662
BR-00660
BR-00784
BR-30
Rear Disc Brake Assembly
BRAKE
3) Apply a thin coat of Molykote AS880N (Part No.
K0777YA010) or the grease contained in the pad
kit to the contact surface between the pad and pad
shim.
4) Install the pads to the caliper body.
5) Install the cross spring and pad pins.
6) Install the clips.
7) Connect the brake hose using a new brake hose
gasket.
Tightening torque:
18 N·m (1.84 kgf-m, 13.3 ft-lb)
8) Bleed air from the brake system. <Ref. to BR-41,
2. EXCEPT FOR BREMBO TYPE
1) Apply a thin coat of Molykote M7439 or grease
contained in the pad kit to the support.
2) Install the support to the housing.
Tightening torque:
66 N·m (6.73 kgf-m, 48.7 ft-lb)
3) Apply a thin coat of Molykote M7439 or grease
contained in the pad kit to the pad clip.
4) Apply a thin coat of Molykote AS880N (Part No.
K0777YA010) or grease contained in the pad kit
between the outer pad and shim.
5) Apply a thin coat of Molykote AS880N (Part No.
K0777YA010) or grease contained in the pad kit to
both surfaces of the inner pad inner shim.
6) Install the pad to support.
7) Install the caliper body to the support.
Tightening torque:
27 N·m (2.75 kgf-m, 19.9 ft-lb)
8) Install the brake hose bracket.
Tightening torque:
33 N·m (3.36 kgf-m, 24.3 ft-lb)
9) Connect the brake hose using a new brake hose
gasket.
Tightening torque:
18 N·m (1.84 kgf-m, 13.3 ft-lb)
10) Bleed air from the brake system. <Ref. to BR-
BR-00785
BR-00597
BR-00599
BR-00875
BR-00876
BR-31
Rear Disc Brake Assembly
BRAKE
C: DISASSEMBLY
1. BREMBO TYPE
1) Remove the piston boots from each piston end.
2) Place a wooden block in the caliper body as
shown in the figure to prevent the piston from jump-
ing out and being damaged.
3) Gradually apply compressed air via the brake
hose installation hole to push the piston out.
4) Remove the piston seal from caliper body cylin-
der.
CAUTION:
Do not damage the cylinder and piston seal
groove.
2. EXCEPT FOR BREMBO TYPE
1) Remove the piston boot.
2) Place a wooden block in the caliper body as
shown in the figure to prevent the piston from jump-
ing out and being damaged.
3) Gradually apply compressed air via the brake
hose installation hole to push the piston out.
4) Remove the piston seal from caliper body cylin-
der.
CAUTION:
Do not damage the cylinder and piston seal
groove.
5) Remove the pin boot.
(1) Place a wooden block of 20 mm (0.79 in) width.
BR-00317
(1)
BR-00318
BR-00319
(1) Place a wooden block of 30 mm (1.18 in) width.
BR-00041
BR-00042
(1)
BR-00043
BR-32
Rear Disc Brake Assembly
BRAKE
D: ASSEMBLY
1. BREMBO TYPE
1) Clean the inside of the caliper body using brake
fluid.
2) Apply a coat of brake fluid to the piston seal and
install in the caliper body groove.
3) Apply a coat of brake fluid to the inner surface
and the entire outer surface of the cylinder.
4) Apply NIGLUBE RX-2 (Part No. K0779GA102)
or the pad kit grease to the boot, and install to the
piston groove.
5) Insert the piston into the cylinder.
CAUTION:
Do not force the piston into cylinder.
6) Position the boot in the grooves on piston and
cylinder.
2. EXCEPT FOR BREMBO TYPE
1) Clean the inside of the caliper body using brake
fluid.
2) Apply a coat of brake fluid to piston seal and in-
stall the piston seal to the caliper body groove.
3) Apply a coat of brake fluid to the inner surface of
cylinder and the entire outer surface of the piston.
4) Apply grease contained in the piston seal kit to
the boot, and install it to the groove at the end of the
cylinder.
5) Insert the piston into cylinder.
CAUTION:
Do not force the piston into cylinder.
6) Position the boot in the grooves on piston and
cylinder.
7) Apply grease contained in the piston seal kit to
the cylinder inner surface, pin, bushing outer sur-
face, and boot grooves.
8) Insert the pin boot into the support.
9) Install the pin boot to the support, and then insert
the pin into the specified position.
CAUTION:
Insert the pin into specified position, and make
sure that they slide and seat properly.
E: INSPECTION
1) Repair or replace the faulty parts.
2) Check the caliper body and piston for uneven
wear, damage or rust.
3) Check the rubber parts for damage or deteriora-
tion.
(1) Piston seal
(2) Piston boot
(3) Piston
(1)
(2)
(3)
BR-00309
(1) Piston
(2) Piston boot
(3) Caliper body
(4) Piston seal
(1) Pin boot
(2) Lock pin or guide pin
(3) Grease applied area
BR-00243
(1)
(2)
(3)
(4)
BR-00362
(1)
(2)
: (3)
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст