Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Removal

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Brake / Brake System (other) / Brake Booster(for Gasoline Model) / 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

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed
*: When performing learning using the Techstream. Click here
Battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane departure alert system (w/ Steering Control)
		Pre-collision system
		Intelligent Clearance Sonar System*
		Lighting System (for Gasoline Model with Cornering Light)
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic View Monitor System

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.

Click here

2. REMOVE BRAKE MASTER CYLINDER SUB-ASSEMBLY

Click here

3. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click here

4. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY

Click here

5. REMOVE FRONT CENTER UPPER SUSPENSION BRACE SUB-ASSEMBLY

Click here

6. REMOVE AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE

Click here

7. REMOVE BATTERY CLAMP SUB-ASSEMBLY

(a) Disengage the 5 clamps from the battery clamp sub-assembly.

(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.

9. LOOSEN LOCK NUT

(a) Loosen the lock nut of the brake master cylinder push rod clevis.

*1	Lock Nut
*2	Brake Master Cylinder Push Rod Clevis

10. REMOVE PUSH ROD PIN

Click here

11. REMOVE BRAKE BOOSTER ASSEMBLY

(a) Disconnect the connector from the vacuum warning switch assembly.

(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.

(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

Reassembly

Brake Booster(for Hv Model)

See More:

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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Removal

Reassembly

Brake Booster(for Hv Model)

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual