Leak at Front Slip Yoke. GMC Truck GMC P42 Commercial Chassis 1999

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC P42 Commercial Chassis 🢒 Driveline/Axle 🢒 Propeller Shaft 🢒 Leak at Front Slip Yoke

Problem

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.

•	Replace the seal.

•	Smooth minor burrs by careful use of crocus cloth or fine stone honing.

•	Replace a badly burred yoke. Refer to Yoke Replacement .

A defective transmission rear oil seal

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