Customer Concern

• Transfer case failure symptoms; oil leak from valve cover.

Findings & Diagnosis

• Confirmed transfer case noise/engagement fault.
• Valve cover gasket leaking; no bottom‑end leaks.

Work Performed

• Installed replacement transfer case; filled and adapted to spec.
• Replaced valve cover gasket; cleaned and verified for leaks.

Result

• Smooth engagement from the ALL4 system; dry engine exterior.