engine ignition system car VAZ-2108

Features of the ignition system device
The ignition system is non-contact. Consists of ignition distributor 5 (pic. 137), switch 4. ignition coils 3, spark plugs 6, ignition switch 7 and high voltage wires with noise...

Possible malfunctions of the ignition system
Possible malfunctions of the ignition system, their causes and remedies

Checking the elements of the ignition system on a car
Attention. Since the VAZ-2108 car uses a high-energy ignition system, it is not allowed to disconnect high-voltage wires and check the ignition circuits for a spark while the...

Ignition distribution sensor — bench test
Checking work The ignition distribution sensor is installed on a stand for testing electrical appliances and connected to an electric motor, the rotational speed of which is...

Ignition coil and switch — bench test
Check winding resistance and insulation resistance. The resistance of the primary winding at 25°C should be (0,45±0,05) Ohm, and the secondary winding (5±0,5) kOhm The insulation...

Spark plugs — bench test
Before testing, spark plugs with carbon deposits or contaminated ones are cleaned in a special installation with a jet of sand and blown with compressed air. If the soot is light...

Ignition switch — bench test
At the ignition switch, the correct closure of the contacts is checked at various key positions (tab. 22), the operation of the anti-theft device and the operation of the blocking...

Elements for suppression of radio interference — test on the bench
These elements include a 1 kΩ resistor in the rotor of the ignition distributor sensor, a 2.2 microfarad capacitor in the generator, and high voltage wires with a resistance...

Ignition distributor — removal and installation
To remove the distribution sensor, brake the car with a parking brake and disconnect the wire from the terminal «minus» battery. Rotating the crankshaft by the pulley mounting...

Ignition switch — removal and installation
To remove the ignition switch, disconnect the wire from the terminal «minus» battery, remove the steering shaft trim, and disconnect the ignition switch wiring harness from the...