The toothed contact of the starter with the flywheel ring gear occurs under the influence of an electromagnet, which sucks in the pinion between the flywheel teeth.
After starting the engine (in relation to the already mentioned large transmission moment) a strong acceleration of the starter would occur. Therefore, a one-way clutch is installed, which makes it impossible to set the starter in motion by the flywheel and allows the toothed contact of the pinion to be interrupted.
Starter Removal - Manual Transmission
1. Disconnect the ground wire from the battery.
2. Disconnect the wires from the starter, marking their connection to the following terminals:
- a - clamp 30 to the positive terminal of the battery;
- b — terminal 50 to ignition switch (if you look from the back of the starter, this clamp is on the right side of the solenoid);
- c - clamp 15A through a preliminary rheostat to clamp 15 of the ignition coil (on the left side)
3. Unscrew the three bolts securing the starter to the engine and remove it upwards. To unscrew the bolts you will need a slotted key SW10.
4. Installation is done in the reverse order of removal. Be careful not to swap loops b and c.
Starter Removal - Automatic Transmission
1. Disconnect the ground wire from the battery.
2. Unscrew the upper bracket bolts.
3. Apply the handbrake, raise the front of the car and place it on stands.
4. Unscrew the drive axle shaft from the drive flange.
5. Loosen the nuts and bolts of the thermal jacket. Remove the skin
The original text is available on the website (VWMANUAL)
6. Disconnect the wires from terminals 30 and 50 of the starter
7. Unscrew the thermal casing bracket from the starter and remove it after deflecting the drive axle shaft.
8. Tilt the starter with the pinion upwards and remove it downwards between the drive axle shaft and the engine housing.
9. Installation is carried out in reverse order.
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