What part of the transfer case is leaking ? The rear output seal is leaking.

* Issue : Worn Rear Transfer Case Output Seal
* Description : The seal may become damaged from regular wear and tear, improper removal, or improper installation.
* Solution : Transfer Case Service

Buy your car diagnostic device :
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Please note

In most cases, the check engine light comes on even without a fault or because of a minor fault.
The electronics can be fickle and can detect "failures" without incidence :

  • Poor fuel quality,
  • Fuel tank cap improperly closed,
  • Low oil level,
  • A faulty sensor,
  • Etc...

Sometimes, a simple reset via CarDiag can solve a lot of "electronic problems".