•Place the skateboard deck down. Using the one-half inch wrench or the skateboard tool, loosen the kingpin (bolt that runs through the truck (inward portion). You may need to used a flat tip screwdriver to loosing the absorbers on the kingpin.
•Carefully remove the kingpin, by simply pulling it upward. Use the damp cloth to clean the kingpin and the absorbers. You have successfully removed the kingpin from skateboard trucks.