Lexus RX (RX 350L, RX450h) 2016-2023 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.

Transfer System


Suspected Area


Noise in transfer

Oil (level low)

Backlash improperly adjusted

Preload improperly adjusted

Tooth contact improperly adjusted

Transfer bearing assembly (wear)

Ring gear mounting case bearing (wear)

Oil leak from transfer

Oil (level too high)

Oil seal (worn or damaged)

Oil seal RH (worn or damaged)

Gasket (damaged)

Seal packing (damaged)

Front drive shaft oil seal RH (for Inside) (worn or damaged)

    PRECAUTION PRECAUTION (a) Prior to starting any work, clean the transfer assembly to prevent sand or mud deposits from entering the assembly. (b) When removing any light alloy components such as the t ...

    U881e (automatic Transmission / Transaxle)

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