DEFINITION: A few drops of lubricant that are leaking from the splined yoke are normal. This condition does not require attention.

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

1. Inspect the slip yoke for burrs.

Careful use of crocus cloth or fine stone honing can remove minor burrs.

2. If the yoke is badly burred, corroded, or worn, replace the yoke. Refer to Universal Joint Replacement .
3. Replace the oil seal. Refer to one of the following procedures:

•	Rear Output Shaft Seal Replacement for the BW 4485-NR3 transfer case

•	Rear Output Shaft Seal Replacement for the MP 3023/3024-NQH transfer case

•	Propeller Shaft Front Slip Yoke Oil Seal Replacement for the 4L60-E/4L65-E/4L70-E automatic transmission

•	Transmission Output Shaft Seal Replacement for the 6L50/6L80/6L90 automatic transmission

•	Output Shaft Seal Replacement for the 2ML70 automatic transmission

There is a faulty oil seal in the transmission or in the transfer case output shaft.

Replace the oil seal. Refer to one of the following procedures: