Lexus RX300 (MCU15). Service manual — part 168
BR1KM–01
F13364
Air Cleaner Assembly
Bracket
Clip
Master Cylinder
Clamp
Return Spring
Clevis
Reservoir Assembly
Pin
z Gasket
Brake Booster
N·m (kgf·cm, ft·lbf) : Specified torque
z Non–reusable part
Clip
Clip
8.8 (90, 78 in.·lbf)
15 (155, 11)
13 (130, 9)
26 (265, 19)
LHD:
Clip
13 (130, 9)
13 (130, 9)
15 (155, 11)
15 (155, 11)
2–way
BR–24
–
BRAKE
BRAKE BOOSTER ASSEMBLY
LEXUS RX300 (RM785E)
COMPONENTS
F13267
N·m (kgf·cm, ft·lbf) : Specified torque
z Non–reusable part
Return Spring
Pin
Master Cylinder
Clevis
Clip
Brake Booster
Clip
Bracket
Wiper Motor & Link
Assembly
Front Upper Suspension Brace
Outer Cowl Top Panel
Weatherstrip
Cowl Louver RH
Wiper Arm
Cowl Louver LH
Reservoir Assembly
Clip
13 (130, 9)
z Gasket
15 (155, 11)
15 (155, 11)
13 (130, 9)
Clip
7.0 (71, 62 in.·lbf)
24 (245, 18)
Wiper Pivot Guide
No. 2 Bracket
RHD:
W/ Cruise Control :
Cruise Control Actuator
26 (265, 19)
8.8 (90, 78 in.·lbf)
Except Europe:
Brake Booster
8.8 (90, 78 in.·lbf)
80 (810, 59)
Bracket
–
BRAKE
BRAKE BOOSTER ASSEMBLY
BR–25
LEXUS RX300 (RM785E)
BR06H–05
F04968
BR–26
–
BRAKE
BRAKE BOOSTER ASSEMBLY
LEXUS RX300 (RM785E)
REMOVAL
1.
RHD:
REMOVE OUTER COWL TOP PANEL (See page
BO–57)
2.
RHD w/ CRUISE CONTROL:
REMOVE CRUISE CONTROL ACTUATOR
(a)
Disconnect the cable from the throttle body.
(b)
Disconnect the connector and clamp.
(c)
Remove the 3 bolts and actuator.
3.
REMOVE MASTER CYLINDER (See page BR–16)
4.
RHD:
REMOVE FRONT UPPER SUSPENSION BRACE
Remove the 4 nuts and front upper suspension brace.
Torque: 80 N·m (810 kgf·cm, 59 ft·lbf)
5.
DISCONNECT VACUUM HOSE FROM BRAKE
BOOSTER
Using pliers, slide the clip and disconnect the vacuum hose
from the brake booster and remove the clip.
6.
LHD:
DISCONNECT 2 BRAKE LINES FROM CLAMP
7.
REMOVE RETURN SPRING
8.
REMOVE CLIP AND CLEVIS PIN
9.
REMOVE BRAKE BOOSTER, GASKET AND CLEVIS
(a)
Remove the 4 nuts and clevis.
(b)
Pull out the brake booster and gasket.
BR1KN–01
F13377
SST
Gasket
F05422
SST
F05421
SST
–
BRAKE
BRAKE BOOSTER ASSEMBLY
BR–27
LEXUS RX300 (RM785E)
INSTALLATION
1.
INSTALL BRAKE BOOSTER
(a)
Install the booster and a new gasket.
(b)
Install the clevis to the operating rod.
(c)
Install and torque the booster installation nuts.
Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)
(d)
Install the clevis pin into the clevis and brake pedal, and
install the clip to the clevis pin.
(e)
Install the pedal return spring.
2.
LHD and Europe RHD:
ADJUST LENGTH OF BOOSTER PUSH ROD
NOTICE:
When adjusting the length of the booster push rod, install
a new gasket to the master cylinder. When installing the
master cylinder, remove the gasket before installing the
master cylinder.
(a)
Install a new gasket on the master cylinder.
Parts No.:
Gasket: 47275–12020
(b)
Set the SST on the gasket, and lower the pin until its tip
slightly touches the piston.
SST
09737–00011
(c)
Turn the SST upside down, and set it on the booster.
SST
09737–00011
(d)
Measure the clearance between the booster push rod
and pin head (SST).
Clearance: 0 mm (0 in.)
HINT:
When adjusting the push rod, depress the brake pedal enough
so that the push rod sticks out.
(e)
Using SST, adjust the booster push rod length until the
push rod lightly touches the pin head.
SST
09737–00020
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