Lexus SC300 / Lexus SC400. Manual — part 249
MASTER CYLINDER ASSEMBLY
BR0EH–05
1. APPLY
LITHIUM
SOAP
BASE
GLYCOL
GREASE
TO
RUBBER PARTS INDICATED BY ARROWS
2. INSTALL
PISTONS
NOTICE: Be careful not to damage the rubber lips on the pis-
tons.
(a) Insert the 2 pistons straight in, not at an angle.
NOTICE: If inserted at an angle, there is a possibility that the
cylinder bore could be damaged.
(b) Push
in
the piston with a screwdriver and install the snap ring
with snap ring pliers.
HINT: Tape the screwdriver tip before use.
3.
w/ TRAC:
INSTALL NO. 1 PISTON STOPPER BOLT
Using a screwdriver, push the piston in all the way and install
the No. 1 piston stopper bolt over a new gasket.
Torque: 10 N
⋅
m (100 kgf
⋅
cm, 7 ft
⋅
lbf)
4.
INSTALL NO. 2 PISTON STOPPER BOLT
Using a screwdriver, push the piston in all the way and install
the No. 2 piston stopper bolt over a new gasket.
Torque: 10 N
⋅
m (100 kgf
⋅
cm, 7 ft
⋅
lbf)
5.
INSTALL 2 GROMMETS
6. INSTALL
RESERVOIR
(a) Install the strainer to the reservoir.
(b) Push the reservoir onto the cylinder.
(c) Install the set screw while pushing on the reservoir.
Torque: 1.7 N
⋅
m (17.5 kgf
⋅
cm, 15.2 in.
⋅
lbf)
7.
INSTALL RESERVOIR CAP
(a) Align
the matchmark on the reservoir cap with the matchmark
on the “open” side of reservoir.
(b) Push down on the reservoir cap and turn it clockwise until it
locks.
(c) Check that the matchmark on the reservoir cap is now
aligned with the matchmark on the “close” side of the
reservoir.
BR–16
–
BRAKE SYSTEM
MASTER CYLINDER
8.
INSTALL MASTER CYLINDER BOOT
With the UP mark on the master cylinder boot facing up-
wards, install the cylinder boot on the master cylinder.
MASTER CYLINDER INSTALLATION
BR0EJ–05
1. ADJUST LENGTH OF BRAKE BOOSTER PUSH ROD
BEFORE INSTALLING MASTER CYLINDER
(See page
)
2.
INSTALL MASTER CYLINDER
Install the master cylinder and a new gasket on the brake
booster with 3 nuts.
Torque: 13 N
⋅
m (130 kgf
⋅
cm, 9 ft
⋅
lbf)
3.
CONNECT BRAKE LINES
Using SST, connect the brake lines to the master cylinder.
Torque the union nuts.
SST 09023–00100
Torque: 12 N
⋅
m (125 kgf
⋅
cm, 9 ft
⋅
lbf)
4.
CONNECT LEVEL WARNING SWITCH CONNECTOR
5. FILL
BRAKE
RESERVOIR WITH BRAKE FLUID AND
BLEED BRAKE SYSTEM
(See page
6. w/ TRAC:
BLEED TRAC SYSTEM
(See page
7.
CHECK FOR FLUID LEAKAGE
8.
CHECK AND ADJUST BRAKE PEDAL
(See page
–
BRAKE SYSTEM
MASTER CYLINDER
BR–17
BRAKE BOOSTER
BRAKE BOOSTER REMOVAL
BR0EK–03
1. w/
TRAC:
DRAIN OUT HIGH PRESSURE FLUID
(a) Connect a vinyl tube to the bleeder plug of the TRAC
actuator, then loosen the bleeder plug with the ignition switch
in the OFF position.
CAUTION: The fluid is under high pressure, and could
spray out with great force, so exercise caution.
(b) Tighten the plug when fluid stops flowing out.
2.
REMOVE FOLLOWING PARTS:
•
Master cylinder
)
•
w/ TRAC:
TRAC pump assembly
(See page
•
Vacuum hose
•
Clip and return spring
BR–18
–
BRAKE SYSTEM
BRAKE BOOSTER
3.
REMOVE BRAKE BOOSTER
(a) Remove the booster installation nuts.
(b) Remove the booster and gasket.
BRAKE BOOSTER INSTALLATION
BR03Z–08
1.
INSTALL BRAKE BOOSTER
(a) Install the booster and gasket.
(b) Install and torque the booster installation nuts.
Torque: 12 N
⋅
m (125 kgf
⋅
cm, 9 ft
⋅
lbf)
(c) Insert
the clevis pin into the clevis and brake pedal, and install
the clip to the clevis pin.
(d) Install the pedal return spring.
2.
ADJUST LENGTH OF BOOSTER PUSH ROD
(a) Install the gasket on the master cylinder.
(b) Set the SST on the gasket, and lower the pin until its tip
slightly touches the piston.
SST 09737–00010
(c) Turn the SST upside down, and set it on the booster.
SST 09737–00010
(d) Measure the clearance between the booster push rod and
pin head (SST).
Clearance:
0 mm (0 in.)
(e) Adjust the booster push rod length until the push rod lightly
touches the pin head.
HINT: When adjusting the push rod, depress the brake pedal
enough so that the push rod sticks out.
3.
INSTALL FOLLOWING PARTS:
•
Vacuum hose
•
Master cylinder
(See page
BR–12
)
•
w/ TRAC:
TRAC pump assembly
(See page
–
BRAKE SYSTEM
BRAKE BOOSTER
BR–19
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст