Toyota Supra 1990 Manual page 384

CH-12
Ohmmeter
Ohmmeter
CHARGING SYSTEM - Alternator
Negative (-) Terminal
CH0467
CH0468
CH0227
CH0228
Socket Wrench
CH0390
2. INSPECT NEGATIVE SIDE RECTIFIER
(a) Connect one tester probe to each rectifier terminal and
the other to each rectifier negative (-) terminal.
(b) Reverse the polarity of the tester probes.
(c) Check that one shows continuity and the other shows
no continuity.
If not, replace the rectifier holder.
Bearings
1. INSPECT FRONT BEARING
Check that the bearing is not rough or worn.
2. IF NECESSARY, REPLACE FRONT BEARING
(a) Remove the four screws and bearing retainer.
(b) Using a press and socket wrench, press out the front
bearing.