Toyota Tundra Service Manual: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

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.

Front differential

Symptom

Suspected Area

See page

Oil leakage from front differential

Oil (level too high or wrong grade)

Front differential carrier oil seal (worn or damaged)

Front differential side gear shaft oil seal (worn or damaged)

Companion flange (loose or damaged)

Oil leak from front differential drive pinion shaft

Oil (level too high or wrong grade)

Front differential carrier oil seal (worn or damaged)

Companion flange (loose or damaged)

Rear differential (for 1UR-FE)

Symptom

Suspected Area

See page

Oil leakage from rear differential

Oil (level too high or wrong grade)

Rear differential carrier oil seal (worn or damaged)

Companion flange (loose or damaged)

Oil leak from rear differential drive pinion shaft

Oil (level too high or wrong grade)

Rear differential carrier oil seal (worn or damaged)

Companion flange (loose or damaged)

Rear differential (for 3UR-FE. 3UR-FBE)

Symptom

Suspected Area

See page

Oil leakage from rear differential

Oil (level too high or wrong grade)

Rear differential carrier oil seal (worn or damaged)

Companion flange (loose or damaged)

Oil leak from rear differential drive pinion shaft

Oil (level too high or wrong grade)

Rear differential carrier oil seal (worn or damaged)

Companion flange (loose or damaged)

    Precaution

    Front Differential Carrier Assembly(for 4wd)

    See More:

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    DIAGNOSTIC TROUBLE CODE CHART HINT: If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below. Rear View Monitor System DTC Code Detection Item See page C1622 Open or Short Circuit in Back Camera Signal ...

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