Lexus ES: Removal
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during brake booster assembly removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model:)| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
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*: When performing learning using the Techstream.
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| Battery terminal is disconnected/reconnected | Perform steering sensor zero point calibration | Lane Control System | |
| Pre-collision System | |||
| Parking Support Brake System* | |||
| Lighting System | |||
| Memorize steering angle neutral point | Parking Assist Monitor System | | |
| Panoramic View Monitor System | | ||
| Initialize power trunk lid system | Power Trunk Lid System | | |
NOTICE:
- After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
- After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System)
CAUTION / NOTICE / HINT
NOTICE:
Make sure to release vacuum from the brake booster assembly before removing the brake master cylinder sub-assembly from the brake booster assembly.
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
2. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY
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3. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
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4. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY
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5. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY
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6. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE
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7. REMOVE BATTERY CLAMP SUB-ASSEMBLY
| (a) Disengage the 5 clamps from the battery clamp sub-assembly. |
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(b) Remove the 3 bolts, nut and battery clamp sub-assembly.
8. DISCONNECT UNION TO CHECK VALVE HOSE
| (a) Slide the clip and disconnect the union to check valve hose from the brake booster assembly. |
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9. LOOSEN LOCK NUT
| (a) Loosen the lock nut of the brake master cylinder push rod clevis. |
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10. REMOVE BRAKE PEDAL LINK PIN
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11. REMOVE BRAKE BOOSTER ASSEMBLY
| (a) Disconnect the connector from the vacuum warning switch assembly. |
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| (b) Remove the 4 nuts and push the brake booster assembly toward the engine compartment. NOTICE: Do not apply excessive force to the brake lines. |
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(c) Remove the brake master cylinder push rod clevis and lock nut from the brake booster assembly.
(d) Remove the brake booster assembly from the vehicle body.
NOTICE:
Do not apply excessive force to the brake lines.
12. REMOVE BRAKE BOOSTER GASKET
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Components
COMPONENTS ILLUSTRATION *1 FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY - - Tightening torque for "Major areas involving basic vehicle performance such as moving/turning/stopping"
Installation
INSTALLATION PROCEDURE 1. INSTALL BRAKE MASTER CYLINDER GASKET (a) Install a new brake master cylinder gasket to the brake booster with master cylinder assembly. 2. INSTALL BRAKE BOOSTER WITH MASTER C
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Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for Gasoline Model)
Components
COMPONENTS ILLUSTRATION *1 CLEARANCE WARNING ECU ASSEMBLY *2 ECU INTEGRATION BOX RH *3 GLOVE COMPARTMENT DOOR ASSEMBLY - -
