Troubleshooting Guide - Mazda 323 1988 Workshop Manual

TROUBLESHOOTING GUIDE 9
REAR DIFFERENTIAL
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Problem
Abnormal noise
Possible Cause
Insufficient differential oil
Incorrect differential oil
Improperly adjusted ring gear backlash
Poor contact of ring gear teeth
Worn or damaged side bearing
Worn or damaged ring fear
Worn or damaged drive pinion bearing
Worn or damaged pinion and side gear
Seizure of side gear and case
Worn side gear spline
Worn pinion shaft
Loose companion flange nut
Worn thrust washer
Improperly adjusted side bearing preload
Adjust
Improperly adjusted drive pinion bearing preload
Worn output shaft spline
R@WS
Heat build-up
Insufficient differential oil Add oil
Insufficient gear backlash
Adjust
Excessive bearing preload
Adjust
Oil leakage Excessive differential oil Remove oil
Clogged air breather Repair
Loose tightened differential carrier Tighten or repair
Worn or damaged oil seal
Replace
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FRONT DRIVESHAFT
Problem
Abnormal noise from
driveshaft
Grease leakage from
boat
Possible Cause
Incorrect synchronization
Worn or seized joint
Insufficient grease in joint or spline
Excessive backlash on spline
Damaged or worn ball bearing
Damaged or broken boot
Loose boot band
Excessive grease
Remedy
Replace
Replace
Replenish or replace
Replace
Replace
Replace
Replace
Repair
63GOW310
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