Dodge dakota 2002 Service Manual page 145

3 - 72 REAR AXLE - 9 1/4
REAR AXLE - 9 1/4 (Continued)
Condition
Wheel Noise
Axle Shaft Noise
Axle Shaft Broke
Differential Cracked
Differential Gears Scored
DIAGNOSTIC CHART
Possible Causes
1. Wheel loose.
2. Faulty, brinelled wheel bearing.
1. Misaligned axle tube.
2. Bent or sprung axle shaft.
1. Misaligned axle tube.
2 Vehicle overloaded.
3. Erratic clutch operation.
4. Grabbing clutch.
1. Improper adjustment of the
differential bearings.
2. Excessive ring gear backlash.
3. Vehicle overloaded.
4. Erratic clutch operation.
1. Insufficient lubrication.
2. Improper grade of lubricant.
3. Excessive spinning of one
wheel/tire.
Correction
1. Tighten loose nuts.
2. Replace bearing.
1. Inspect axle tube alignment.
Correct as necessary.
2. Inspect and correct as necessary.
1. Replace the broken shaft after
correcting tube mis-alignment.
2. Replace broken shaft and avoid
excessive weight on vehicle.
3. Replace broken shaft and avoid
or correct erratic clutch operation.
4. Replace broken shaft and inspect
and repair clutch as necessary.
1. Replace case and inspect gears
and bearings for further damage.
Set differential bearing pre-load
properly.
2. Replace case and inspect gears
and bearings for further damage.
Set ring gear backlash properly.
3. Replace case and inspect gears
and bearings for further damage.
Avoid excessive vehicle weight.
4. Replace case and inspect gears
and bearings for further damage.
Avoid erratic use of clutch.
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.
DR