GM Service Manual Online
For 1990-2009 cars only

Checks

Action

DEFINITION: An occasional drop of lubricant leaking from the splined yoke is normal and requires no attention.

The slip yoke barrel is burred, nicked, corroded, or worn.

Inspect the slip yoke.

    • Smooth minor burrs by careful use of crocus cloth or fine stone honing. If the yoke is badly burred, replace the yoke. Refer to Extension Housing Rear Oil Seal in Automatic Transmission.
    • Replace the seal. Refer to Extension Housing Rear Oil Seal in Automatic Transmission.

The transmission rear oil seal is affected.

Replace the transmission rear oil seal. Refer to Extension Housing Rear Oil Seal in Automatic Transmission.