Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: On-vehicle Inspection

ON-VEHICLE INSPECTION

PROCEDURE

1. INSPECT BRAKE FLUID LEVEL IN RESERVOIR

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2. INSPECT BRAKE BOOSTER ASSEMBLY

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3. REMOVE FRONT WIPER MOTOR AND LINK ASSEMBLY

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4. REMOVE OUTER COWL TOP PANEL SUB-ASSEMBLY

Click here

5. INSPECT VACUUM WARNING SWITCH ASSEMBLY

(a) Start the engine and stop it after 1 or 2 minutes.

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

(c) Measure the resistance of the vacuum warning switch assembly.

Standard Resistance:

10 kΩ or higher

(d) With the engine stopped, depress the brake pedal several times to release vacuum from the brake booster assembly, and measure the resistance of the vacuum warning switch assembly.

Standard Resistance:

Below 1 Ω

(e) Connect the connector to the vacuum warning switch assembly.

6. INSTALL OUTER COWL TOP PANEL SUB-ASSEMBLY

Click here

7. INSTALL FRONT WIPER MOTOR AND LINK ASSEMBLY

Click here

    Components
    COMPONENTS ILLUSTRATION *1 OUTER COWL TOP PANEL SUB-ASSEMBLY - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *A for TMC Made - - *1 CHECK VALVE GRO ...

    Installation
    INSTALLATION PROCEDURE 1. INSTALL CHECK VALVE GROMMET (a) Install a new check valve grommet to the brake booster assembly. 2. INSTALL VACUUM WARNING SWITCH ASSEMBLY (for TMC Made) (a) Install the vacu ...

    Other materials:

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    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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