DIFFERENTIAL SYSTEM (w/ Differential Lock) PROBLEM SYMPTOMS TABLE

Tech Tips

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.

Differential System
Symptom Suspected Area See page
Oil leak from rear differential Oil (level too high or wrong grade)

Click here

Rear differential carrier oil seal (worn or damaged)

Click here

Companion flange (loose or damaged)

Click here

Oil leak from rear drive pinion shaft Oil (level too high or wrong grade)

Click here

Rear differential carrier oil seal (worn or damaged)

Click here

Companion flange (loose or damaged)

Click here

Differential lock does not operate Rear differential lock actuator

Click here

Differential carrier (Faulty) -
Wiring or ground (Faulty) -