Dodge 2000 DURANGO Service Manual page 82

3 - 32 C205F AXLE
DIAGNOSIS AND TESTING (Continued)
Condition
Wheel Noise
Axle Shaft Noise
Axle Shaft Broke
Differential Cracked
DIAGNOSTIC CHART
Possible Causes
1. Wheel loose.
2. Faulty, brinelled wheel bearing.
1. Misaligned axle tube.
2. Bent or sprung axle shaft.
3. End-play in pinion bearings.
4. Excessive gear backlash
between the ring gear and pinion.
5. Improper adjustment of pinion
gear bearings.
6. Loose pinion companion flange
nut.
7. Scuffed gear tooth contact
surfaces.
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.
Correction
1. Tighten loose nuts.
2. Replace bearing.
1. Inspect axle tube alignment.
Correct as necessary.
2. Inspect and correct as necessary.
3. Refer to pinion pre-load
information and correct as
necessary.
4. Check adjustment of the ring
gear and pinion backlash. Correct
as necessary.
5. Adjust the pinion bearings
pre-load.
6. Tighten the pinion companion
flange nut.
7. Inspect and replace 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.
DN