Restricted or damaged ventilation tube assembly

Replace the ventilation tube as required.

Leaking fill or drain plug

Install sealant, GM P/N 12346004 (CANADIAN P/N 10953480) or equivalent onto threads of plugs and tighten

Leaking input flange seal

1. Inspect the input flange surface of the excessive wear or damage.
2. Inspect the front bearing for wear or damage.

A worn bearing may allow excessive movement of the clutch pack input shaft.

3. Replace the components as required.

Leaks at the housing sealing surfaces

Disassemble the axle and reseal the sealing surfaces as required - clutch drum cover only.

Worn or damages axle shaft oil seals

Replace the axle shaft oil seals as required.