S10/T10 Blazer 2WD V6-4.3L VIN X (2003)
The surface depressions on the race and the rollers are caused by hard particles of foreign matter.
1. Check the seals.
2. Clean all the parts and the housings.
3. Replace the bearings.
Frettage
The corrosion caused by small relative movement of parts with no lubrication.
1. Check the seals.
2. Check for proper lubrication.
3. Clean all the parts and the housings.
4. Replace the bearings.
Smears
