Inspect Brush Spring Load; Inspect Brush Holder Insulation; Inspect Gear Teeth; Inspect Clutch Pinion Gear - Toyota 3VZ–FE Troubleshooting Manual

ST–10
STARTING SYSTEM – STARTER
If the length is less than minimum, replace the brush holder
and field frame.
Brush Springs

INSPECT BRUSH SPRING LOAD

Take the pull scale reading the instant the brush spring sepa-
rates from the brush.
Spring installed load:
18–24 N (1.79–2.41 kgf, 3.9–5.3 lbf)
If the installed load is not within specification, replace the
brush springs.
Brush Holder

INSPECT BRUSH HOLDER INSULATION

Using an ohmmeter, check that there is no continuity be-
tween the positive (+) and negative (–) brush holders.
If there is continuity, repair or replace the brush holder.
Clutch and Gears
1.

INSPECT GEAR TEETH

Check the gear teeth on the pinion gear, idle gear and 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.
2.

INSPECT CLUTCH PINION GEAR

Hold the starter clutch and rotate the pinion gear counter-
clockwise, and check that it turns freely. Try to rotate the pin-
ion gear clockwise and check that it locks.
If necessary, replace the clutch assembly.