Lexus SC300 / Lexus SC400. Manual — part 252

2. INSTALL

CALIPER

(a) Temporarily install the caliper on the torque plate with 2

installation bolts.

(b) Hold the sliding pin and torque the installation bolt.

Torque: 34 N

⋅

m (350 kgf

⋅

cm, 25 ft

⋅

lbf)

3.

CONNECT FLEXIBLE HOSE
Install the flexible hose on the caliper with 2 new gaskets.

Torque: 30 N

⋅

m (310 kgf

⋅

cm, 22 ft

⋅

lbf)

HINT: Insert the flexible hose lock securely in the lock hole in
the caliper.

4. FILL

BRAKE

RESERVOIR WITH BRAKE FLUID AND

BLEED BRAKE SYSTEM
(See page

BR–8

)

5.

CHECK FOR LEAKS

BR–36

–

BRAKE SYSTEM

FRONT BRAKE (SC400)

REAR BRAKE
(Disc Brake)

COMPONENTS

BR047–06

REPLACEMENT OF BRAKE PADS

BR0PV–01

1.

REMOVE REAR WHEEL
Remove the wheel and temporarily fasten the disc with the
hub nuts.

2.

INSPECT PAD LINING THICKNESS
Check the pad thickness through the caliper inspection hole
and replace pads if the thickness is not within the specifica-
tion.

Minimum thickness:

1.0 mm (0.039 in.)

–

BRAKE SYSTEM

REAR BRAKE (Disc Brake)

BR–37

3.

LIFT UP CALIPER

(a) Hold the sliding pin on the bottom and loosen the installation

bolt.

(b) Remove the installation bolt.

(c) Lift up and suspend the caliper.

HINT: Do not disconnect the flexible hose from the caliper.

4.

REMOVE FOLLOWING PARTS:

(a) 2 anti–squeal springs
(b) 2 brake pads
(c) 4

anti–squeal

shims

(d) 4 pad support plates

5.

CHECK DISC THICKNESS
(See page

BR–41

)

6.

CHECK DISC RUNOUT
(See page

BR–41

)

7.

INSTALL PAD SUPPORT PLATES

BR–38

–

BRAKE SYSTEM

REAR BRAKE (Disc Brake)

8. INSTALL

NEW

PADS

(a) Apply

disc brake grease to both sides of the inner anti–squeal

shim.

(b) Install the 2 anti–squeal shims on each pad.
(c) Install the inner pad with the pad wear indicator plates facing

downward.

(d) Install the outer pad.

NOTICE: There should be no oil or grease adhering to the fric-

tion surfaces of the pads or the disc.

(e) Install the 2 anti–squeal springs.

9. INSTALL

CALIPER

(a) Draw out a small amount of brake fluid from the reservoir.
(b) Press in the piston with water pump pliers or similar

implement.
HINT: If the piston is difficult to push in, loosen the bleeder
plug and push in the piston while letting some brake fluid es-
cape.

(c) Install the caliper.
(d) Hold the sliding pin and torque the installation bolt.

Torque: 34 N

⋅

m (350 kgf

⋅

cm, 25 ft

⋅

lbf)

10. INSTALL REAR WHEEL
11. CHECK THAT FLUID LEVEL IS AT MAX LINE

CALIPER REMOVAL

BR0EN–04

1.

DISCONNECT FLEXIBLE HOSE

(a) Remove the union bolt and 2 gaskets from the caliper, then

disconnect the flexible hose from the caliper.

(b) Use a container to catch the brake fluid as it drains out.

2. REMOVE

CALIPER

(a) Hold the sliding pin and loosen the 2 installation bolts.
(b) Remove the 2 installation bolts.
(c) Remove the caliper from the torque plate.

–

BRAKE SYSTEM

REAR BRAKE (Disc Brake)

BR–39