The 5 fundamental secrets on the exchange of the oil pressure switch

Maintenance of the part requires technical attention and quality components

São Paulo, agosto de 2025 - Oil pressure switches are important allies in early detection of engine failures. Your correct application, Preventive maintenance and timely replacement are actions that preserve the integrity of the vehicle engine and avoid driver losses. These components are responsible for monitoring the lubricating oil pressure of the engine and, when detecting that the lubricating oil pressure is below the minimum specified for the engine, acts as an alert system by lighting oil light on the panel, helping to prevent serious engine failures as well as the premature wear of internal parts.

In cases where substitution is necessary, The choice for high quality parts and with proper specifications is indispensable. To ensure the full functioning of the lubrication system and the accuracy of reading the data, The NAT, brand of Niterra, Japanese multinational also responsible for NGK and reference in components for ignition systems, to prevent fogging during rain:

1- Perform the maintenance of the vehicle regularly, Focusing on oil and filter exchanges in the recommended deadlines. This care preserves the efficient functioning of the lubrication system.

2- Use the lubricating oil specified by the automaker, according to engine requirements. This ensures viscosity and protection additives appropriate to internal components.

3- Check the existence of oil leaks on the engine, especially in connections, retainers and seals. Small leaks can cause pressure drop, due to the low level of the lubricant and compromise performance.

4- Monitor the oil level periodically, with the engine cold and the vehicle on a flat surface. A simple check that helps to avoid failures due to lack of lubrication.

5- Apply the correct pressure switch for vehicle engine, according to technical specification. Each sensor has a specific calibration for the minimum pressure required.

Failure symptoms and additional care

When the oil light comes on on the dashboard, the indication is not always the failure in the switch. Behavior can be a warning sign for problems such as lack of oil, the presence of lubricant outside the specification, Oil pump deficiency, Low pressure from the lubricating oil or blinds caused by.

However, leaks, clogging caused by metallic residues or dreaks and membrane dryness are indicative that the component should be replaced. Impacts caused by accidents and natural aging also compromise their integrity.

“The proper installation and the correct torque, as specified by the engine manufacturer, are essential for the efficient operation of the switch. It is also necessary to replace after the engine grinders, because metal waste from anterior wear can compromise its integrity and operation ”, afirma Hiromori Mori, Niterra Technical Assistance Consultant

NTK reinforces its commitment to provide automotive parts to the high quality injection system and guide repair professionals and drivers regarding good practices in maintaining their vehicles.