Toyota Yaris: Brake Booster / Reassembly

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Brake / Brake System (other) / Brake Booster / Reassembly

REASSEMBLY

PROCEDURE

1. INSTALL VACUUM SENSOR ASSEMBLY

(a) Install a new vacuum sensor grommet to the brake booster assembly.

(b) Install the vacuum sensor assembly to the brake booster assembly as shown in the illustration.

*a

45° +/- 20°

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2. INSTALL BRAKE VACUUM CHECK VALVE ASSEMBLY

(a) Install a new check valve grommet to the brake booster assembly.

(b) Install the brake vacuum check valve assembly to the brake booster assembly.

    Inspection

    INSPECTION PROCEDURE 1. INSPECT BRAKE VACUUM CHECK VALVE ASSEMBLY (a) Check that there is ventilation from the booster side to the engine side, and no ventilation from the engine side to the booster side of the brake vacuum check valve assembly...

    Installation

    INSTALLATION PROCEDURE 1. INSTALL BRAKE BOOSTER GASKET (a) Install a new brake booster gasket to the brake booster assembly. 2. INSTALL BRAKE BOOSTER ASSEMBLY (a) Temporarily install the brake booster assembly to the vehicle body...

    Other information:

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: On-vehicle Inspection


    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER ASSEMBLY (a) Airtightness check (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times. HINT: If the brake pedal can be depressed nearly to the floor the first time, but on the 2nd and 3rd time cannot be depressed as far, the brake booster assembly is airtight...

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: How To Proceed With Troubleshooting


    CAUTION / NOTICE / HINT HINT: *: Use the GTS. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CUSTOMER PROBLEM ANALYSIS NEXT 3. CONNECT GTS TO DLC3* HINT: If the display indicates a communication malfunction, inspect the DLC3...

    Categories

    Supplemental Restraint System (SRS) Precautions

    The front and side supplemental restraint systems (SRS) include different types of air bags. Please verify the different types of air bags which are equipped on your vehicle by locating the “SRS AIRBAG” location indicators. These indicators are visible in the area where the air bags are installed.

    The air bags are installed in the following locations:

    The steering wheel hub (driver air bag) The front passenger dashboard (front passenger air bag) The outboard sides of the front seatbacks (side air bags) The front and rear window pillars, and the roof edge along both sides (curtain air bags)

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