2. Disconnect the electrical connector from the oil pressure switch. To do this, simply press down on the locking tab and pull the connector straight off.
3. Use a wrench to loosen the oil pressure switch. Turn the switch counterclockwise until it is completely loose. Be careful not to drop the oil pressure switch into the engine.
4. Remove the oil pressure switch and o-ring. Once the switch is loose, you can remove it and the o-ring from the engine. Be careful not to lose the o-ring.
5. Inspect the oil pressure switch and o-ring. Check the switch for any signs of damage, such as cracks or leaks. Also, check the o-ring for any signs of wear or damage.
6. If necessary, replace the oil pressure switch and o-ring. If either the oil pressure switch or o-ring is damaged, you will need to replace it. To do this, simply screw the new switch into the engine and install a new o-ring.
7. Re-install the oil pressure switch and o-ring. Once you have replaced either the oil pressure switch or o-ring (or both), re-install them in the engine. Be sure to tighten the switch until it is snug.
8. Re-connect the electrical connector. Finally, re-connect the electrical connector to the oil pressure switch. Press down on the locking tab until the connector is secure.
