Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Problem Symptoms Table



Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Rear Differential


Suspected Area


Noise in rear differential

Oil level (Low or wrong grade)

Ring gear or drive pinion (Worn or chipped)

Backlash adjustment (Defective)

Preload adjustment (Defective)

Tooth contact between ring gear and drive pinion (Defective)

Bearing (Worn)

Oil leak from rear differential

Oil level (Too high or wrong grade)

Diaphragm oil seal (Worn or damaged)

Rear drive shaft oil seal (Worn or damaged)

Seal packing (Damaged)

    PRECAUTION Before disassembly, clean the outside of the differential assembly and remove any sand or mud to prevent it from entering the inside of the assembly during disassembly and installation. ...

    Front Axle Hub

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Front Radar Sensor System: Terminals Of Ecu
    TERMINALS OF ECU CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY NOTICE: DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed. Do not apply excessive force to the forward recognition ...

    Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Intelligent Clearance Sonar System: Communication Error From Clearance Sonar ECU to VSC (C164B)
    DESCRIPTION The vehicle stability control system receives intelligent clearance sonar system information from the clearance warning ECU assembly via CAN communication. When it is determined that there is a communication error between the skid control ECU and clearance warning ECU assembly, DTC C164B ...

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

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

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