Dodge 2000 DURANGO Service Manual page 83

DN
DIAGNOSIS AND TESTING (Continued)
Condition
Differential Gears Scored
Loss Of Lubricant
Axle Overheating
Gear Teeth Broke
Possible Causes
1. Insufficient lubrication.
2. Improper grade of lubricant.
3. Excessive spinning of one
wheel/tire.
1. Lubricant level too high.
2. Worn axle shaft seals.
3. Cracked differential housing.
4. Worn pinion seal.
5. Worn/scored companion flange.
6. Axle cover not properly sealed.
1. Lubricant level low.
2. Improper grade of lubricant.
3. Bearing pre-loads too high.
4. Insufficient ring gear backlash.
1. Overloading.
2. Erratic clutch operation.
3. Ice-spotted pavement.
4. Improper adjustments.
C205F AXLE
Correction
1. Replace scored gears. Fill
differential with the correct fluid type
and quantity.
2. Replace scored gears. Fill
differential with the correct fluid type
and quantity.
3. Replace scored gears. Inspect all
gears, pinion bores, and shaft for
damage. Service as necessary.
1. Drain lubricant to the correct
level.
2. Replace seals.
3. Repair as necessary.
4. Replace seal.
5. Replace companion flange and
seal.
6. Remove, clean, and re-seal
cover.
1. Fill differential to correct level.
2. Fill differential with the correct
fluid type and quantity.
3. Re-adjust bearing pre-loads.
4. Re-adjust ring gear backlash.
1. Replace gears. Examine other
gears and bearings for possible
damage.
2. Replace gears and examine the
remaining parts for damage. Avoid
erratic clutch operation.
3. Replace gears and examine
remaining parts for damage.
4. Replace gears and examine
remaining parts for damage. Ensure
ring gear backlash is correct.
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