Problem Symptoms Table

Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely cause of the problem. Check each part in order. If necessary, replace these parts.

PROBLEM SYMPTOMS REFERENCE

Symptom

Suspected area

See

Noise in front differential

1. Oil level (Low or wrong grade)

FRONT DIFFERENTIAL CARRIER

OIL SEAL

2. Excessive backlash between pinion and ring gear

FRONT DIFFERENTIAL CARRIER

ASSEMBLY

3. Ring, pinion or side gears (Worn or chipped)

FRONT DIFFERENTIAL CARRIER

ASSEMBLY

4. Pinion shaft bearing (Worn)

FRONT DIFFERENTIAL CARRIER

ASSEMBLY

5. Side bearing (Worn)

FRONT DIFFERENTIAL CARRIER

ASSEMBLY

6. Differential bearing (Loose or worm)

FRONT DIFFERENTIAL CARRIER

ASSEMBLY

Oil leak from front differential

1. Oil level (Level too high or wrong grade)

FRONT DIFFERENTIAL CARRIER

OIL SEAL

2. Front differential rear oil seal (Worn or damaged)

FRONT DIFFERENTIAL CARRIER

OIL SEAL

3. Side gear oil seal (Worn or damaged)

FRONT DIFFERENTIAL CARRIER

ASSEMBLY

4. Companion flange (Loosen or damaged)

FRONT DIFFERENTIAL CARRIER

ASSEMBLY

5. Side gear shaft (Damaged)

FRONT DIFFERENTIAL CARRIER

ASSEMBLY

Oil leak from rear differential

1. Oil level (Level too high or wrong grade)

REAR DIFFERENTIAL CARRIER

OIL SEAL

2. Rear differential front oil seal (Worn or damaged)

REAR DIFFERENTIAL CARRIER

OIL SEAL

3. Companion flange (Loosen or damaged)

REAR DIFFERENTIAL CARRIER

ASSEMBLY

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