valve assy LEXUS LS430 2003 Factory Owner's Manual

Fig. 86: Installing ATF Temperature Sensor And Lock Plate With Bolt
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9.INSTALL VALVE BODY OIL STRAINER ASSY
a. Coat a new O-ring with ATF.
b. Install the O-ring.

Fig. 40: Removing Brake Tubes From Master Cylinder And ABS & TRACTION Actuator
Assy
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c. Disconnect the brake fluid level warning switch connector from the brake master cylinder reservoir.
d. Remove the 2 nuts, vacuum check valve bracket and brake master c
ylinder sub-assy.

Using SST, adjust the booster push rod length until the push rod lightly touches the pin head.
SST 09737-00020
Fig. 51: Adjusting Booster Push Rod Length

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13.INSTALL BRAKE MASTER CYLINDER SUB-ASSY
a. Install the brake master cylinder sub-assy and vacuum check valve bracket with 2 nuts.
Torque: 13 N.m (130 kgf.cm, 9 ft.lbf)
b. Connect the brake fluid level warning switch connector to the master cylinder reservoir.

Fig. 52: Installing Brake Master Cylinder Sub-Assy And Vacuum Check Valve Bracket With
Nuts
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c. Using SST, install the brake tube to the brake master cylinder sub-assy and ABS & TRACTION
actuator assy.
SST 09751-36011
Torque: 15 N.m (155 kgf.cm, 11 ft.lbf)
d. Install the clamp.

Fig. 57: Inspecting Vacuum Check Valve
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REPLACEMENT
1.REMOVE ENGINE ROOM SIDE COVER
2.SEPARATE ENGINE ROOM NO.3 R/B
a. Remove the bolt and separate the engine room No.3 R/B.
3.DRAIN BRAKE FLUID
a. Draw out fluid with syringe.
4.REMOVE BRAKE MASTER CYLINDER SUB-ASSY
a. Remove the clamp from the 2 brake tubes.

Fig. 59: Removing Brake Tubes From Master Cylinder And ABS & TRACTION Actuator
Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
c. Disconnect the brake fluid level warning switch connector from the brake master cylinder reservoir.
d. Remove the 2 nuts, vacuum check valve bracket and brake master c
ylinder sub-assy.

Fig. 61: Removing Clip And Push Rod Pin
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14.REMOVE BRAKE BOOSTER ASSY
a. Slide the clip upward and disconnect the vacuum hose ass
y from the vacuum check valve assy.

Fig. 62: Disconnecting Vacuum Hose Assy From Vacuum Check Valve Assy
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b. Remove the 4 nuts and pull out the brake booster assy.
c. Remove the brake booster
gasket.

Fig. 63: Removing Nuts And Brake Booster Assy
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15.REMOVE BRAKE VACUUM CHECK VALVE ASSY
a. Remove the vacuum check valve assy and the grommet from the brake booster assy.
16.INSTALL BRAKE VACUUM CHECK VALVE ASSY
a. Install the
grommet and the vacuum check valve assy to the brake booster assy.

Fig. 64: Removing Vacuum Check Valve Assy And Grommet From Brake Booster Assy
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
17.INSTALL BRAKE BOOSTER ASSY
a. Install a new brake booster gasket.
b. Install the brake booster assy with the 4 nuts.
Torque: 13 N.m (130 kgf.cm, 9 ft.lbf)