Drive Trainer Knowledge Base
Drive Trainer / Automatic Transmissions
 

Differentials Common Installation Issues

DT#17994

Vibration & Leaks

Symptom
  1. Failed input bearing
  2. Vibration & leaking
Cause
End yoke not torqued to correct specification Not using correct torque tool
Preventative Action
Inspect yoke splines for wear (10% allowable) - replace if necessary Torque to OE specification using proper tool

Noise & Heat

Symptom
  1. Noisy
  2. Heat
  3. Metal in the oil
Cause
Contamination caused by lack of proper cleaning of axle housing including removal of wheel ends
Preventative Action
Before install, clean axle housing thoroughly Replace wheel seals
 

Output Shaft Endplay & Leaks

Symptom
  1. Excessive output shaft end play
  2. Output shaft leaks
  3. Noise
Cause
Incomplete process of replacing the differential due to not:
  • Replacing output seal
  • Inspecting & replacing bearings
  • setting proper bearing end play
Preventative Action
Perform all steps in the recommended process

Lubrication

Symptom
  1. Noise
  2. Excessive heat
Cause
Failure to use approved lubricants Failure to top off lubricants Failure to road test and recheck Mixed fluids in system
Preventative Action
Follow recommended practices Know approved lubricants for all Drive Train components


Driveline & Suspension

Symptom
  1. Vibration
  2. Noise
  3. Grinding
  4. Component failure
Cause
Failure to inspect driveline and suspension components for systems deficiencies
Preventative Action
Perform inspection prior to putting the vehicle in service Practice standard maintenance intervals

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Component failures due to vibration - vibration caused by faulty driveline/suspension


 


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