Note: Depending on the malfunction that has occurred, the sequence and scope of repair work can be changed.
The most common starter failures are:
1. The winding burns out or the contact bolts and the contact plate in the traction relay burn out. To eliminate these faults, it is necessary to replace the traction relay. This can be done on the car without removing the starter;
2. Defective overrunning drive clutch. To eliminate this malfunction, it is necessary to disassemble the starter and replace the drive;
3. Worn starter brushes. Remove the starter, replace the brush assembly and clean the manifold. When replacing the brush assembly, there is no need to remove the starter drive and the traction relay.
To complete the work you will need:
- two power wires (with clips at the ends) to start the engine from the battery of another car;
- puller of external locking rings;
- 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 wire clamp connected to the positive terminal of the battery to the starter housing. To do this, the clamp should be extended, for example, by inserting a steel drift into it.
2. With 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) traction relay to which the starter wire is connected. If the starter armature starts to rotate, the starter motor is good.
3. Connect the second wire to the contact bolt (1) traction relay. Using a screwdriver or other suitable metal object, close the output together (3) and the contact bolt of the traction relay. If there was a loud click and the starter armature began 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.