Front Axle Lubricant Leak Diagnosis: Notes

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Front axle lubricant leaks can occur at the following locations:

Axle shaft oil seals
Differential carrier assembly mating surface
Drain plug
Fill plug
Inner axle tube assembly to differential carrier assembly mating surface
Pinion yoke oil seal
Vent tube and/or connector