Note: Depending on the malfunction that has occurred, the sequence and scope of repair work may be changed.
The most common starter malfunctions:
1. The winding burns out or the contact bolts and contact plate burn in the traction relay. To eliminate these faults, it is necessary to replace the traction relay. This can be done on the car without removing the starter;
2. The drive overrunning clutch is faulty. To eliminate this fault, it is necessary to disassemble the starter and replace the drive;
3. The starter brushes are worn out. The starter should be removed, the brush assembly replaced, and the commutator cleaned. When replacing the brush assembly, there is no need to remove the starter drive and traction relay.
To complete the work you will need:
- two power wires (with clamps on the ends) to start the engine from the battery of another car;
- external snap ring pliers;
- ohmmeter.
Examination
Note: You can check the electrical part of the starter without disassembling it.
1. Remove the starter (see above, "Starter - removal and installation").
Warning! When checking, do not short-circuit the clamp of the wire connected to the positive terminal of the battery to the starter housing. To do this, extend the clamp, for example, by inserting a steel punch into it.
2. Using one wire, connect the negative terminal of the battery to the starter housing. The second wire, connected to the positive terminal of the battery, is connected to the contact bolt (2) of the traction relay, to which the starter wire is connected. If the starter anchor begins to rotate, the starter motor is in good condition.
3. Connect the second wire to the contact bolt (1) of the traction relay. Using a screwdriver or other suitable metal object, close the terminal (3) and the contact bolt of the traction relay. If a loud click is heard and the starter armature begins to rotate, the traction relay is working properly.
To further check the starter, as well as to determine the cause of the malfunction, it is necessary to disassemble the starter.