What has your experience been in using a small grease gun to replace grease in wheel bearings? I have my bearings repacked every spring and last summer still had bearings burned out. No doubt they...
The only reason to repackage bearings is if they were cleaned and inspected. Bearing grease does not get used up, evaporate, disappear or go bad. Bearings should be inspected anytime the hub is removed for brake inspection or repair. Any additional repack is just a waste of time and money.