Setco 4204BY28485 Spindle Repair

Possible cause of failure:
A BROKEN ORING ON THE REAR COVER AND THE REAR BEARINGS WERE CONTAMINATED,
THE FRONT BEARINGS FAILED
#2 ID RACE HEAT WELDED TO THE JOURNAL.
THERE IS RUB OUT PRESENT ON THE GMN SEAL SURFACE OF THE SHAFT
THERE IS FRETTING PRESENT ON THE FRONT JOURNAL #1 AND #2 SPOTS.
THE REAR SHOULDER HAS 3-4 Micron OF HIGH SPOTS

Recommended action:
Clean, inspect overall dimensions.
Replace bearings.
Replace seals.
Grind, chrome plate and finish grind the shaft.
Grind, chrome plate and finish grind the housing.
Adjust preload, balance, assemble and break in. Final quality control inspection.



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