Front Drive Axle Bearing Wear (Tapered): Smears

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Smears

Courtesy of GENERAL MOTORS CORP.

Smearing of the metal due to slippage. Slippage can be caused by the following factors:

Poor fits
Lubrication
Overheating
Overloads
Handling damage

Replace the bearings. Clean the related parts. Check for proper fit and lubrication.