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Transfer Case Leak Diagnosis

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Transfer Case Leak Diagnosis

Cause Correction
Restricted or damaged ventilation valve or hose Repair or replace as required.
Worn, scored, or missing drain and/or fill plug sealing washers Install new sealing washers and tighten the plugs per specifications.
Worn or damaged input or output shaft oil seals Replace the oil seals as required.
Cut or damaged side cover O-ring seal Replace the O-ring seal as required.
Case or cover porosity or leaking seal surfaces Replace the transfer case as required.
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