The electronic ignition system is fundamentally maintenance-free, but connections and spark plugs must still be checked as part of the service.
Remove distributor cap.
The lid must be dry inside.
Check the contacts for wear and corrosion, if necessary, clean with emery cloth.
Check the middle carbon contact for ease of movement and wear. To do this, press the contact with your finger.
Examine the cover for leakage currents. They are detected through thin, irregular marks on the top surface of the distributor cap.
Wipe the lid with a clean, dry cloth and examine for fine cracks, if any, replace the lid. Then spray the inside of the cap with contact spray. Pull out the distributor rotor and check for cracks and contact cleanliness, clean if necessary.
Lubricate the felt insert on the distributor shaft with a few drops of oil.
Insert the distributor rotor, while the rotor nose should enter the groove on the distributor shaft. Slightly turn the rotor to the right and left, checking the fit.
Install the distributor cap.