Toyota 4-Runner 1985 Repair Manual page 317

CHARGING SYSTEM - Alternator
CH-11
CHOlgg
CH0200
3. INSPECT REAR BEARING
Check that the rear bearing is not rough or worn. Replace
if necessary.
4. IF NECESSARY, REPLACE REAR BEARING
(a) Using SST, remove the rear bearing with the bearing
cover from the rotor shaft.
SST 09820-00020
CAUTION: Be careful not to damage the fan.
(b) Using SST, install the rear bearing and bearing cover
onto the rotor shaft.
SST 09285-76010