Dodge dakota 2002 Service Manual page 146

DR
REAR AXLE - 9 1/4 (Continued)
Condition
Loss Of Lubricant
Axle Overheating
Gear Teeth Broke
Axle Noise
Possible Causes
1. Lubricant level too high.
2. Worn axle shaft seals.
3. Cracked differential housing.
4. Worn pinion seal.
5. Worn/scored yoke.
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.
1. Insufficient lubricant.
2. Improper ring gear and pinion
adjustment.
3. Unmatched ring gear and pinion.
4. Worn teeth on ring gear and/or
pinion.
5. Loose pinion bearings.
6. Loose differential bearings.
7. Mis-aligned or sprung ring gear.
8. Loose differential bearing cap
bolts.
9. Housing not machined properly.
REAR AXLE - 9 1/4
Correction
1. Drain lubricant to the correct
level.
2. Replace seals.
3. Repair as necessary.
4. Replace seal.
5. Replace yoke 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.
1. Fill differential with the correct
fluid type and quantity.
2. Check ring gear and pinion
contact pattern. Adjust backlash or
pinion depth.
3. Replace gears with a matched
ring gear and pinion.
4. Replace ring gear and pinion.
5. Adjust pinion bearing pre-load.
6. Adjust differential bearing
pre-load.
7. Measure ring gear run-out.
Replace components as necessary.
8. Inspect differential components
and replace as necessary. Ensure
that the bearing caps are torqued
tot he proper specification.
9. Replace housing.
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