Rear Axle (Awd - Up To 1992 Models) Troubleshooting - Mitsubishi 1989-1993 GALANT Service Manual

Symptom
AXLE SHAFT
Noise while wheels are
rotating
Grease leakage
Noise
Constant noise
Gear noise while driving
Gear noise while coasting
Bearing noise while
driving or coasting
Noise while turning
Heat
Oil leakage
REAR AXLE <AWD>
Probable cause
Brake drag
Bent axle shaft
Worn or scarred axle shaft bearing
Worn or damaged oil seal
Malfunction of bearing seal
Wear, play or seizure of ball joint
Excessive drive shaft spline looseness
Improper final drive gear tooth contact adjustment
Loose, worn or damaged side bearing
Loose, worn or damaged drive pinion bearing
Worn drive gear, drive pinion
Worn side gear spacer or pinion shaft
Deformed drive gear or differential case
Damaged gear -
Foreign material
Insufficient oil
Poor gear engagement
improper gear adjustment
Improper drive pinion preload adjustment
Damaged gear
Foreign material
Insufficient oil
Improper drive pinion preload adjustment
Damaged gear
Cracked or damaged drive pinion rear bearing
Loose side bearing
Damaged side gear, pinion gear or pinion shaft
Insufficient gear backlash
Excessive preload
Insufficient oil
Clogged vent plug
Cover insufficiently tightened
Seal malfunction
Worn or damaged oil seal
Excessive oil
TSB Revision
Remedy
Replace
Replace
Replace
Correct or replace
Replace
Eliminate the foreign material
and check; replace the parts if
necessary
Replenish
Correct or replace
Replace
Eliminate the foreign material
and check; replace the parts if
necessary
Replenish
Replace
R e p l a c e
Adjust
Replenish
Clean or replace
Retighten, apply sealant, or re-
place the gasket
Replace
Adjust the oil level