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Condition Possible Causes Correction Differential Gears Scored 1. Insufficient lubrication. 1. Replace scored gears. Fill 2. Improper grade of lubricant. 2. Replace scored gears. Fill 3. Excessive spinning of one 3. Replace scored gears. Inspect all Loss Of Lubricant 1. Lubricant level too high. 1. Drain lubricant to the correct 2. Worn axle shaft seals. 2. Replace seals. 3. Cracked differential housing. 3. Repair as necessary. 4. Worn pinion seal. 4. Replace seal. 5. Worn/scored yoke. 5. Replace yoke and seal. 6. Axle cover not properly sealed. 6. Remove, clean, and re-seal Axle Overheating 1. Lubricant level low. 1. Fill differential to correct level. 2. Improper grade of lubricant. 2. Fill differential with the correct 3. Bearing pre-loads too high. 3. Re-adjust bearing pre-loads. 4. Insufficient ring gear backlash. 4. Re-adjust ring gear backlash. Gear Teeth Broke 1. Overloading. 1. Replace gears. Examine other 2. Erratic clutch operation. 2. Replace gears and examine the 3. Ice-spotted pavement. 3. Replace gears and examine 4. Improper adjustments. 4. Replace gears and examine 3 - 184 FRONT AXLE - 9 1/4 AA DR/DH |