Troubleshooting - Mitsubishi Stealth 1994 Import Service Manual

Symptom Probable cause
AXLE SHAFT
Brake drag
Noise while wheels
are rotating Bent axle shaft
Worn or scarred axle shaft bearing
Grease leakage Worn or damaged oil seal
Malfunction of bearing seal
DRIVE SHAFT
Noise Wear, play or seizure of ball joint
Excessive drive shaft spline looseness
DIFFERENTIAL
(LIMITED SLIP
DIFFERENTIAL)
Abnormal noise Excessive final drive gear backlash
Insufficient drive pinion preload
during driving
or gear changing
Excessive differential gear backlash
Worn spline of a side gear
Loose companion flange self-locking nut
NOTE
In addition to a malfunction of the differential carrier components, abnormal noise can also be caused by the
universal joint of the propeller shaft, the axle shafts, the wheel bearings, etc. Before disassembling any parts, take
all possibilities into consideration and confirm the source of the noise,
Abnormal noise Damaged differential gears
when cornering Damaged pinion shaft
Insufficient gear oil quantity
Gear noise Improper final drive gear tooth contact
adjustment
Incorrect final drive gear backlash
Improper drive pinion preload adjustment
Damaged, broken, and/or seized tooth surfaces
of the drive gear and drive pinion
Damaged, broken, and/or seized drive pinion
bearings
Damaged, broken, and/or seized side bearings
Damaged differential case
Inferior gear oil
Insufficient gear oil quantity
NOTE
Noise from the engine, muffler vibration, transaxle, propeller shaft, wheel bearings, tires, body, etc., is easily
mistaken as being caused by malfunctions in the differential carrier components. Be extremely careful and
attentive when performing the driving test, etc.
Test methods to confirm the source of the abnormal noise include: coasting, acceleration, constant speed driving,
raising the rear wheels on a jack, etc. Use the method most appropriate to the circumstances,
REAR AXLE
Remedy
Replace
Replace
Replace
Adjust
Adjust or replace
Replace
Retighten or replace
Replace
Replenish
Adjust or replace
Adjust
Replace
Replenish