1. Check the condition of the thick wire between the battery and the solenoid relay (solenoid) starter. Connections must be securely tightened, clean and provide good electrical contact.
2. The starter pinion should not remain in engagement with the flywheel ring gear. Engage the transmission in high gear and push the car forward and backward several times - this should release the starter pinion. Inspect the flywheel ring gear and starter pinion for possible tooth breakage.
3. Check the operation of the starter relay by turning the starter key on and simultaneously listening to the solenoid. When the starter is turned on, a characteristic click should be heard
4. If there is no click, check the voltage supply to the solenoid. Disconnect the thin wire from the solenoid and connect a 12-volt lamp to it, connect its other wire to the "ground". The lamp should light brightly when you turn the ignition key to the starter position. If this does not happen, the ignition switch or wires are faulty. Correctly reconnect the wires in place (figure D:26).
5. Check the operation of the power contacts of the pull-in relay by connecting a test lamp to the two main contacts.
If the lamp does not light brightly, check the reliability of the starter fastening and the connection of the solenoid relay contacts with the thick wires coming from the battery and to the starter winding. If the connections are reliable, it can be assumed that the brushes and windings of the starter are faulty.
If the lamp lights, turn on the starter by turning the ignition key, the lamp should go out, because the retractor relay closes the contacts, and the current goes along the circuit of least electrical resistance. If the lamp continues to light, replace the contacts of the retractor relay.
6. If these checks do not reveal a fault, replace or repair the starter itself.
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