TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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ST/Starting System9 / 13
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Brush Holder — MK4 Supra Starting System, page 9
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ST–9 STARTING SYSTEM – STARTER Brush Holder INSPECT BRUSH HOLDER INSULATION Using an ohmmeter, check that there is no continuity between the positive (+) and negative (–) brush holders. If there is continuity, repair or replace the brush holder. Ohmmeter No Continuity P10592 Clutch and Gears 1. INSPECT GEAR TEETH Check the gear teeth on the pinion gear, idle gear and the clutch assembly for wear or damage. If damaged, replace the gear or clutch assembly. If damaged, also check the drive plate ring gear for wear or damage. Free Lock P10821 2. INSPECT CLUTCH PINION GEAR Rotate the pinion gear counterclockwise, and check that it turns freely. Try to rotate the pinion gear clock–wise and check that it locks. If necessary, replace the clutch assembly. P10577 Bearings 1. INSPECT FRONT BEARING Turn each bearing by hand while applying inward force. If resistance is felt or the bearing sticks, replace the bearing. SST P10593 2. IF NECESSARY, REPLACE FRONT BEARING (a) Using SST, remove the bearing. SST 09286–46011