GM Service Manual Online
For 1990-2009 cars only

Checks

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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.

    â€¢ Replace the seal.
    â€¢ Smooth minor burrs by careful use of crocus cloth or fine stone honing.
    â€¢ Replace a badly burred yoke.

A defective transmission rear oil seal.

Replace the transmission rear oil seal and replenish the transmission oil.