Toyota Tundra Service Manual: Problem Symptoms Table

Toyota Tundra Service Manual / Engine, Hybrid System / Differential / Differential System / 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:

    Toyota Tundra Service Manual > Lighting System: Headlight (HI-BEAM) Circuit
    DESCRIPTION The main body ECU (multiplex network body ECU) receives headlight dimmer switch information signals and illuminates the high beam headlights. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following procedure. PR ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2025 Copyright www.ttundra.com
    0.0114